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Wyświetlanie 1-25 z 93
Tytuł:
Scanning electron microscopy investigation of bacterial colonization of marine beach sand grains
Badania skaningowe bakterii kolonizujących ziarna piasku plaży morskiej
Autorzy:
Mudryk, Z.J.
Podgorska, B.
Powiązania:
https://bibliotekanauki.pl/articles/85221.pdf
Data publikacji:
2006
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
scanning electron microscopy
bacterial colonization
sea beach
marine beach zob.sea beach
sand grain
bacteria
sand
beach
Opis:
Scanning electron microscopy was employed for the investigation of bacteria living on sand grains in a sandy marine beach in the Gulf of Gdansk (southern Baltic Sea). Bacteria colonize the sand grains; individual topography and shape of the grains were decisive for the colonization. Grains of diverse topography characterised by a great irregularity of shape were preferred, and protected surface sites were favoured. Many of the attached bacteria were found to produce polymer secretions; entire colonies attached by means of polymer nets were observed. A significant morphological diversity of bacteria in the vertical profile of the beach was determined. Bacteria inhabiting the sand grains showed the ability to reproduces.
W pracy przedstawiono wyniki badań dotyczących bakterii kolonizujących ziarna piasku plaży morskiej zlokalizowanej w rejonie Sopotu. Próby piasku pobierano z morza z odległości około 1,5 m od linii brzegowej (st. 1), z linii brzegowej (st. 2), środkowej części plaży (st. 3) oraz wydmy (st. 4). Przy użyciu mikroskopu skaningowego badano rozmieszczenie bakterii na ziarnach piasku, mechanizm ich adsorpcji do powierzchni ziaren piasku, zróżnicowanie morfologiczne i wymiary oraz ich zdolność do rozmnażania. Badania te wykazały, że bakterie maja zdolność do selektywnego kolonizowania ziaren piasku preferując głównie osłonięte i nieregularne powierzchnie (szpary, szczeliny, wklęśnięcia, fałdy, rysy). Wiele komórek bakterii kolonizujących ziarna piasku tworzyło charakterystyczne struktury włókniste, za pomocą których organizmy te trwale wiązały się z podłożem. Wykazano istotne zróżnicowanie morfologiczne bakterii na poszczególnych stanowiskach badawczych. Wiele bakterii zaabsorbowanych do ziaren piasku charakteryzowało się zdolnością do rozmnażania.
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2006, 10
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Beach bary we Wrocławiu. Ewaluacja przestrzeni
Beach bars in Wrocław. Space evaluation
Autorzy:
Dziubiński, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/293978.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
przestrzeń publiczna
beach bar
rzeka
plaża
public space
river
beach
Opis:
Od 2016 r. we Wrocławiu powstało kilkanaście beach barów. Większość z nich zlokalizowano nad rzeką. Ich model przestrzenny (a także biznesowy), oparty na skojarzeniach zawartych w samej nazwie, kreujący przestrzeń o dużej atrakcyjności skłonił autora do objęcia ich badaniami. Celem przeprowadzonych badań było poznanie i ewaluacja stosowanych w beach barach sposobów ożywiania przestrzeni, przyciągania i zachęcania ludzi do spędzania tam czasu, a tym samym zrozumienie działania tych miejsc jako przestrzeni. Punktem wyjścia obserwacji i badań było założenie, że beach bary są rodzajem przestrzeni podobnych do miejskich przestrzeni publicznych, co z jednej strony pozwala sprawdzić, czy mogą one odgrywać taką rolę, a z drugiej daje możliwość potraktowania ich jako lustra, w którym pokazane zostanie to, czego miejskie przestrzenie publiczne nie zapewniają. Przyjęta metoda polegała na ciągłej obserwacji, dla której głównym punktem odniesienia była kilkudziesięcioletnia praktyka projektowa i realizacyjna amerykańskiej organizacji non-profit „Project for Public Spaces”. Zgodnie z tym podejściem ocena dotyczyła czterech sekcji: dostępność i połączenia, komfort i wizerunek, funkcja i działanie oraz wartość społeczna. Beach bary są przestrzeniami proponującymi urozmaicone formy spędzania czasu, zapewniają różnorodną, bogatą ofertę i dają możliwość korzystania z różnych rodzajów aktywności, a także umożliwiają użytkownikom dużą swobodę zachowania.
Since 2016 several beach bars have been opened in Wrocław. Most of them were located by the river. The study was inspired by their spatial (and also business) model which relies on creating places of great attractiveness and bases on associations contained in the name itself. The research strived at learning and evaluating the ways of bringing the space to life, attracting and encouraging people to spend their time there, and thus at understanding how these places work as a space. The starting point for this observation and research was the assumption that beach bars are a type of space similar to urban public spaces. On the one hand, it makes it possible to see whether they can play such a role, while on the other it allows to treat them as a mirror which can reveal what urban public spaces are unable to provide. The adopted method consisted of a continuous observation. The long-standing practice in designing and implementing projects by the American non-profit organization “Project for Public Spaces” provided the main reference point for this study. According to this approach, the evaluation referred to four parameter groups: access and connections, comfort and image, function and action, and social value. Beach bars are spaces offering varied forms of leisure, they provide a diverse, rich offer and give an opportunity to enjoy various types of activities. They also give users a great freedom of behavior.
Źródło:
Architectus; 2019, 4 (60); 93-110
1429-7507
2084-5227
Pojawia się w:
Architectus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Faunistic diversity of Maltese pocket sandy and shingle beaches: are these of conservation value?
Autorzy:
Gauci, M.J.
Deidun, A.
Schembri, P.J.
Powiązania:
https://bibliotekanauki.pl/articles/47728.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
fauna
littoral fauna
shingle beach
sandy beach
coastal conservation
Malta
Opis:
The littoral fauna of Maltese sandy and shingle beaches is generally regarded as impoverished and consequently of little conservation interest. The fauna of three sandy and three shingle beaches was systematically sampled by coring, standardised searching and pitfall traps. Diversity and population density were highest at the surface for sandy beaches, but were highest below the surface for shingle. The two beach types had distinct suites of species and individual beaches were faunistically distinct. Maltese sandy and shingle beaches are of conservation importance for their habitat-restricted species, some of which have limited local and regional distributions, and are internationally protected.
Źródło:
Oceanologia; 2005, 47, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The biochemical composition of sedimentary organic matter in sandy beaches of various anthropopressure
Ocena stopnia infiltracji materii organicznej w osadach plaż o różnej antropopresji
Autorzy:
Trojanowski, J.
Bigus, K.
Powiązania:
https://bibliotekanauki.pl/articles/84873.pdf
Data publikacji:
2013
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
biochemical composition
sediment
organic matter
sandy beach
anthropopressure
beach sediment
Opis:
Beach sediments from two beaches at the Polish coast of the Baltic Sea were collected and analyzed. The sediments were collected in two seasons – winter and summer – at two stations, depending on the influence of the sea water on the examined sediments. At each station, surface sediments (0-5 cm) were collected as well as sediments at the depth of 10-15 cm. The results of the conducted tests reveal, that anthropopressure, the depth where the collected sediments were taken and the direct influence of the sea water on the sediments have impact on the chemical composition of beach sediments and their food quality for the inhabiting psammon. The conducted tests disclose that there is more organic matter and its labile forms in the sediments originating from Ustka. Strong anthropogenic pressure found at the beach in Ustka also contributes to higher concentration of uncharacterized fraction of organic carbon in the area. Analyzing alimentary usefulness of the organic matter there, it seems to be higher at the beach in Czołpino.
Pobrano i zanalizowano osady plażowe pochodzące z dwóch plaż polskiego wybrzeża Morza Bałtyckiego. Osady pobierano w dwóch porach roku – zimą i latem – na dwóch stanowiskach w zależności od wpływu wody morskiej na badane osady. Na każdym stanowisk pobierano osady powierzchniowe (0–5 cm) oraz osady z głębokości 10–15 cm. Z przeprowadzonych badań wynika, że skład chemiczny osadów plażowych, a także ich jakość jako pokarmu dla bytującego tam psammonu ma związek z antropopresją, głębokością, z jakiej pobierano osady oraz bezpośrednim wpływem wody morskiej na te osady. Wykonane analizy pokazują, że w osadach pochodzących z Ustki występuje znacznie więcej materii organicznej oraz jej labilnych form. Silna presja antropogeniczna występująca na plaży w Ustce jest również przyczyną znacznie większego stężenia niescharakteryzowanej frakcji węgla organicz nego na tym terenie. Analizując przydatność pokarmową znajdującej się na obu plażach materii, można zauważyć, że jest ona znacznie większa w Czołpinie.
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2013, 17
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Can fluctuating asymmetry in Talitrus saltator (Montagu, 1808) (Crustacea, Amphipoda) populations be used as a bioindicator of stress on sandy beach ecosystems?
Autorzy:
Ottaviano, O.
Scapini, F.
Powiązania:
https://bibliotekanauki.pl/articles/49081.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Amphipoda
Talitrus saltator
Crustacea
population
bioindicator
development
fluctuating asymmetry
sandy beach
Tuscan beach
Sicilian beach
tourism
sexual dimorphism
Opis:
This study focused on verifying the fluctuating asymmetry hypothesis in the crustacean Talitrus saltator, which lives in sandy beaches. We analysed three populations, one from an unpolluted Tuscan beach relatively free of tourism, and two from Sicilian beaches, which have been increasingly used for tourism and have been exposed to hydrocarbon/pesticide pollution. Results confirmed the sexual dimorphism in the second antennae flagella, which in the Tuscan population presented directional asymmetry. This population had a significant level of fluctuating asymmetry in the P6 and P3 meri. The results showed the importance of the developmental stage during which environmental mechanical stresses act.
Źródło:
Oceanologia; 2010, 52, 2; 259-280
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morfodynamika sztucznie zasilonej plaży Bałtyku pomiędzy Gdańskiem a Sopotem
Morphodynamics of the replenished Baltic beach between Gdańsk and Sopot
Autorzy:
Jobska, Aleksandra
Rucińska, Maria
Powiązania:
https://bibliotekanauki.pl/articles/2076206.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
morfodynamika
sztucznie zasilona plaża
plaża
osad na plaży
Zatoka Gdańska
morphodynamics
beach replenishment
beach
beach sediment
Gulf of Gdańsk
Opis:
The research area is located on the coast of the Baltic Sea, along the Gulf of Gdańsk. It includes a beach where sand replenishment was carried out in 2019. The aim of the study was to investigate the morphodynamics of beach deposits in replenishing and non-replenishing areas during one year. No environmental dynamic conditions sufficient to alter significantly the beach morphology and sediment characteristics occurred during the study period, November 2019 to August 2020. One storm event was recorded, but did not significantly affect the beachform. The transverse beach profiles, which were artificially recharged in June 2019, were lowered by 0.6 to 1.2 m. The greatest changes were caused by the erosive activity of the waters of the Jelitkowski Stream.
Źródło:
Przegląd Geologiczny; 2021, 69, 7; 443--447
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zonation of macrofauna across sandy beaches and surf zones along the Dutch coast
Autorzy:
Janssen, G.
Mulder, S.
Powiązania:
https://bibliotekanauki.pl/articles/47535.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
surf zone
beach
macrofauna
Dutch coast
sandy beach
zonation
macrobenthos
sandy shore
Opis:
On nine beaches and two transects in the surf zone along the Dutch coast the presence of benthic macrofauna was studied in relation to basic abiotic characteristics. According to Short’s classification system, Dutch beaches are mesotidal and dissipative (Ω = 8.6), and the RTR is low (1.52–1.27), which means that they are not tide-dominated. BSI ranged from 1.4 to 1.1 for the northern and western Dutch coasts respectively and had an overall value of 1.2. The rates of exposure of the beaches varied between 8 and 12, and are therefore regarded as sheltered to moderately exposed. The Dutch beaches display a geographical trend in beach types. Those of the Wadden Sea islands in the northern part of the Netherlands are dissipative, flat, fine-grained, and host high densities of many species of benthic macrofauna. The beaches along the western Dutch coast are less dissipative, steeper, with a higher mean grain size; the species diversity and abundance there are lower. Species diversity and abundance on the beaches increase from the high- to the low-water line. The maximum number of species was found between 0 and –1 m relative to the mean tidal level. The abundance peaks just above the mean tidal level, while the biomass reaches a maximum at the mean tidal level. Species diversity and abundance are low in the surf zone, but increase towards deeper water. Species numbers are high and the abundance is very high in the trough between the two bars. The relation between the diversity and abundance of macrobenthic species on the one hand, and the sediment composition, water column depth, and position between the bars on the other show a clear pattern of zonation for the beach, surf zone and near-shore: (1) a supralittoral zone with insects and air-breathing crustaceans, (2) a midshore zone, with intertidal species, (3) a lower shore zone, whose species extend into the shallow surf zone, and (4) a zone of sublittoral fauna in the trough between the two breaker bars within the surf zone.
Źródło:
Oceanologia; 2005, 47, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trophodynamic variations on microtidal North Mediterranean sandy beaches
Autorzy:
Vassallo, P.
Fabiano, M.
Powiązania:
https://bibliotekanauki.pl/articles/48051.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
coastal zone
Mediterranean Sea
benthic community
beach environment
sandy beach
ecosystem
trophodynamics
Opis:
Trophic models of the micro and meiobenthic community of six sandy beaches on the Ligurian coast (north-western Mediterranean Sea) have been performed to assess variations in structure and function of the ecosystem. A novel approach based on the determination of the feeding predisposition of the benthic community revealed that there is a significant shift in the trophodynamics of the system with respect to environmental constraints. Along an emerged-submerged gradient the benthic community displayed a clear trend from a fundamentally detritusdependent structure to an autotrophic, more balanced and diversified one. The trends analysed focus on the importance of the swash zone as a transitional area between the land and the sea that is characterised by a high diversity and activity of the trophic network.
Źródło:
Oceanologia; 2005, 47, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diversity of Chlorophyta on Karapyak Beach, Pangandaran, West Java Province, Indonesia
Autorzy:
Hanifah, Syifa
Sahidin, Asep
Hamdani, Herman
Yuliadi, Lintang Permata Sari
Powiązania:
https://bibliotekanauki.pl/articles/1076067.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Chlorophyta
Diversity
Karapyak Beach
Macroalgae
Opis:
The purpose of this study is to determine and analyze the level of diversity of Chlorophyta on the intertidal area of Karapyak waters. The study was conducted from January to March 2018 at Karapyak beach, Pangandaran regency. Research parameters analyzed were species density, species frequency, species cover, Importance Value Index, Diversity and Uniformity of macroalgae. The measured environmental parameters are temperature, salinity, DO, pH, nitrate and phosphate. The results showed that there were 6 species macroalgae of the division Chlorophyta found on Karapyak Beach. The macroalgae (H) diversity index value is in the low category based on the index of the Shannon-Wienner. Meanwhile, the uniformity index value (E) is in the high category according to the Evennes index, which means that no species dominates the Karapyak waters.
Źródło:
World Scientific News; 2019, 117; 158-174
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution of Macro Debris at Pangandaran Beach, Indonesia
Autorzy:
Purba, Noir P.
Apriliani, Izza M.
Dewanti, Lantun P.
Herawati, Hetti
Faizal, Ibnu
Powiązania:
https://bibliotekanauki.pl/articles/1177434.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Beach litter
Citumang river
Pangandaran beach
fishing gear
marine pollution
ocean currents
plastics packaging
Opis:
This research was to assest of marine debris in Pangandaran beach. Marine debris sampled from 2016 and 2017 around west Pangandaran using Ocean Conservancy (OC) form to find information about distribution, abundance, and types. The result is debris on the West coast of Pangandaran is originally comes from settlements, tourists, traders, and fishermen. The highest accumulation of marine debris happened in October with total weight 44.385 kilos, while the lowest accumulation happened in May with total weight 38 kilos. this is due to Citumang River had overflowed due to heavy rain and then was swept away along the coastline and piled up an area near the bay in October. In May and August the debris which most find is cigarette with the percentage 28% in May and 35% in August. While in October the debris which most find is a plastic bag with percentage 33%. From six types of debris, the dominant debris per types as follows: Most likely to find items is cigarette butts, Fishing gear is rope, Packaging material is other plastic/foam packaging, Personal hygiene is diapers, Other trash is cigarettes lighters, and Tiny trash less than 2.5 cm is foam pieces. The specific debris at Pangandaran beach is the fisheries tools like a rope and net, the rope embedded in the ground and make it hard to take out. One of the factor the large number of debris in Pangandaran is tourism activity and fisheries activity. In addition, the study indicates that there is a strong relationship between human activities and spreading of debris.
Źródło:
World Scientific News; 2018, 103; 144-156
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Run-up of dispersive and breaking waves on beaches
Autorzy:
Massel, S.R.
Pelinovsky, E.N.
Powiązania:
https://bibliotekanauki.pl/articles/48764.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
fluctuation
wave transformation
filtration
beach
sandy beach
mathematical model
dispersive wave
surface wave
breaking wave
Opis:
Transformation of waves on sandy beaches, their breaking, set-up and run-up are the main factors contributing to fluctuations in the water table and groundwater flow. In this paper, the run-up mechanisms have been studied using analytical models. In contrast to the standard models, the waves approaching the shoreline are assumed to be dispersive and the equivalence of the non-linear and linear solutions for the extreme characteristics of wave run-up, such as the height of maximum run-up and the velocity of run-up, are used. A linear system of equations for the run-up of breaking waves is developed. This system is based on the application of the mild-slope equation in the deeper area, where waves are dispersive, while the linear equations of shallow water are applied close to the shoreline, where the water depth is a linear function of distance. The dissipation factor in the shallow water equation has been formulated using its resemblance to the mild-slope equation for a non-permeable sea bottom. Application of the method is illustrated for various bottom profiles and wave characteristics, and theoretical results compared well with experimental data. These solutions of the run-up phenomena will assist future studies on wave-induced beach groundwater flow.
Źródło:
Oceanologia; 2001, 43, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Attenuation of wave-induced groundwater pressure in shallow water. Part 1
Autorzy:
Massel, S.R.
Przyborska, A.
Przyborski, M.
Powiązania:
https://bibliotekanauki.pl/articles/49074.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
fluctuation
oceanic water
attenuation
filtration
groundwater pressure
sandy beach
beach ecosystem
surface wave
shallow water
Opis:
A coastal aquifer has a dynamic seaward boundary at the beach face where physical and ecological processes are influenced by oceanic water level fluctuations. Many basic groundwater concepts and the role of the impact of groundwater seepage on beach ecosystems are still poorly understood. Studies are needed to improve our understanding of the relationships between surface and subsurface flow processes on beaches. This is particularly helpful in clarifying the interaction of the physical processes, biodiversity and productivity of sandy beaches, sediment transport and coastal structure stability and modern beach nourishment techniques. As the estimation of infiltration into beach sand is very difficult to carry out under real sea conditions, a control led large-scale laboratory experiment was carried out in the LargeWave Channel in Hannover (Germany) as part of a project supported by the European Community (contract HPRI-CT-2001-00157). First part of the paper describes the technology applied in the experiment and reports some preliminary results.
Źródło:
Oceanologia; 2004, 46, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antibiotic resistance of fecal coliform bacteria inhabiting sea water and sand of marine recreation beach in the southern Baltic Sea
Antybiotykooporność bakterii kałowych z grupy coli zasiedlających wodę morską i piasek rekreacyjnej plaży na obszarze Bałtyku Południowego
Autorzy:
Mudryk, Z.J.
Perlinski, P.
Robak, D.
Powiązania:
https://bibliotekanauki.pl/articles/84879.pdf
Data publikacji:
2016
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
antibiotic resistance
fecal coliform bacteria
sea water
sand
sea beach
recreation beach
Baltic Sea
coliform bacteria
Opis:
The results of the present study showed variability in resistance of FC bacteria isolated from beach sand and sea water against tested antibiotics. Enteric bacteria were the most resistant to clindamycin and penicillin while the most sensitive to ciprofloxacin, gentamycin, neomycin, rifampicin and streptomycin. Fecal coliform bacteria inhabiting sand were more resistant to nearly all tested antibiotics compared to bacteria isolated from sea water. The majority of bacteria inhabiting sea water and sand of the studied beach were resistant to only 1-4 antibiotics out of the 12 antibiotics tested. Fecal coliform bacteria isolated from Ustka beach were the most resistant to β-lactam and lincosamide antibiotics, while the most susceptible to aminoglycosides.
Badano oporność na antybiotyki bakterii fekalnych wyizolowanych z wody morskiej i piasku rekreacyjnej plaży znajdującej się na południowym wybrzeżu Morza Bałtyckiego. Uzyskane wyniki badań wykazały zmienność w oporności bakterii z grupy coli wyizolowanych z piasku i wody morskiej wobec badanych antybiotyków. Mikroorganizmy te były najbardziej odporne na penicylinę i klindamycynę, a najbardziej wrażliwe na ciprofloksacynę, gentamycynę, neomycynę, ryfampicyny i streptomycyny. Bakterie kałowe z grupy coli zasiedlające piasek były bardziej odporne na prawie wszystkie badane antybiotyki niż te izolowane z wody morskiej. Większość bakterii zasiedlających wodę morską i piasek badanej plaży była odporna na zaledwie 1-4 antybiotyków z 12 badanych. Bakterie kałowe z grupy coli izolowane na plaży w Ustce były najbardziej oporne na antybiotyki beta-laktamowe oraz linkozamidy, a najbardziej podatne na aminoglikozydy.
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2016, 20
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Construction of morphological profiles of raised marine beaches in Spitsbergen
Autorzy:
Nitychoruk, Jerzy
Ozimkowski, Wojciech
Szczęsny, Ryszard
Powiązania:
https://bibliotekanauki.pl/articles/2053148.pdf
Data publikacji:
1989
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
raised marine beach measurements
Źródło:
Polish Polar Research; 1989, 10, 1; 73-79
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Microbiological and Sanitary State of Sand in the Municipal Bathing Beach in Szczecin
Autorzy:
Zatoń, K.
Błaszak, M.
Powiązania:
https://bibliotekanauki.pl/articles/125033.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
beach
sand
sanitary condition
bacteria
fungi
Opis:
Artificial beaches, i.e. places in the public sphere, are usually intended for recreation, located at water reservoirs, rivers, and their surface is naturally occurring or applied sand. The urban bathing beach located in Szczecin by the Deep lake has sand purchased and distributed on the beach by the Municipal Services Office in Szczecin (a few hundred ton). The beach is divided into sectors, a volleyball court is in one part, in the next section catering and sanitary facilities are located, and the remaining area is a place intended for sunbathing and playing games. The aim of the experiment was to assess the effects of different ways of using the beach on changes of microbiological properties of the sand. The tests were taken from the beach sand in May 2013 (first term examinations), and in September, after several months of use (the second term of examinations). The sand was collected near catering and sanitary sector (the first object) and from the area of the volleyball court (the second object), as well as the playground for children (the third object). The facilities were distanced from the shoreline of the lake by approx. 8 metres. The comparison included the number of heterotrophic bacteria, fungi and the detected presence of coliform bacteria, including Escherichia coli, bacteria of the genus Salmonella and eggs of intestinal parasites. In any of the objects, or the periods of time, eggs of intestinal parasites and bacteria of the genus Salmonella were detected. The presence of coliform bacteria including E. coli was found in the sand collected from a catering-sanitary zone, there was also the biggest number of bacteria and fungi. The number of heterotrophic bacteria and fungi was similar in samples of sand taken from the volleyball court and from the playground, in this sand there was no bacteria belonging to the E. coli species, although in several samples from the playground other bacteria belonging to the coliform genus were detected. To sum up, it is possible to state that the same sand used in various ways is gaining different microbiological characteristics. The values of the studied parameters differed significantly with regards to sand taken from the area of consumption, hygiene-sanitary activities and sand collected from the area of active leisure (the court and playground). These results indicate the need for a deliberate selection of location for sunbathing (children playing in the sand) away from the sites for culinary and sanitary purposes.
Źródło:
Journal of Ecological Engineering; 2015, 16, 5; 40-45
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vibration analysis of an Airlie beach house: a case study in Australia
Autorzy:
Wheatley, Greg
Babamiri, Arash
Philippa, Bronson
Powiązania:
https://bibliotekanauki.pl/articles/2173468.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
vibration
beach house
Airlie beach
Australia
structure analysis
wibracje
dom na plaży
plaża Airlie
analiza struktury
Opis:
Airlie beach houses are quite common in the coastal areas of Australia. These houses, similar to other buildings, provide comfort for their residents. House comfort is not limited to temperature or sound pollution, vibration can be considered as another equally important factor. In this article, the vibration of an Airlie beach house was investigated. The base steel structure was modeled in SolidWorks and Space Gass for evaluating stress distribution and nodal displacement, respectively. To find the root cause of the distressing vibration of the house, which was felt with dwellings, the axial acceleration of the house’s structure was determined. Some feasible solutions such as adding a fiber-reinforced polymer joist hanger, inserting additional rubber padding to the joist hanger, and attaching additional bracing, were discussed and a cost analysis was considered for the solutions. Eventually, the nature of the best solution, which was adding rubber, was tested experimentally.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2022, 114; 179--192
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of two coastal profile evolution models to Lubiatowo, Poland and La Barrosa, Spain
Autorzy:
O'Hare, T. J.
Ostrowski, R.
Emsley, S. M.
Huntley, D. A.
Powiązania:
https://bibliotekanauki.pl/articles/240970.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
beach
coastal profile model
hydrodynamics
sediment transport
Opis:
Two contrasting coastal profile models are applied to three bathymetries including a uniform gradient beach and natural profiles (multi-barred and multi-stepped) obtained from Lubiatowo, Poland and La Barrosa, Spain. The first model, developed at the Institute of Hydro-Engineering of the Polish Academy of Science (IBW PAN) (Poland), couples a quasi-3D model for nearshore hydrodynamics with a quasi-phase resolving sediment transport model which considers transport in the bed load, contact load and outer layers. The second model (PLYMPROF), developed at the University of Plymouth (UK), couples a relatively simple wave transformation model with a new abstracted description of cross-shore sediment transport beneath waves. A variety of model simulations are described, including simple runs with uniform wave forcing (up to 50 days in duration using PLYMPROF) and runs with parameterized wave forcing (wave height and wave period in deep water) for periods with one or two storm events (6-11 days total duration). Both models coped well with the different initial profiles and with uniform and time-varying wave conditions. The results of the simulations suggest that onshore-directed sediment transport in the shoaling and outer surf zones is dominant for the cases considered. Compared to the IBW PAN model, the PLYMPROF model results (using coefficients from a separate study of bar evolution at Duck, USA) show larger offshore-directed transport in the inner surf zone associated with return flow, with the overall sediment transport pattern located considerably closer to the shore. Alteration of a single coefficient in the PLYMPROF model shifts the predicted transport pattern seawards, but also results in enhanced offshore-directed transport. Despite differences in predicted cross-shore sediment transport the two models produced surprisingly similar trends in overall profile evolution suggesting that feedback between existing bathymetry and the sediment transport pattern may exert a major control on profile development. Results also suggested that bar migration patterns cannot be simply related to the occurrence or absence of storm conditions, but rather depend more subtly on the exact placement of wave breaking locations in relation to existing bars. Incorporation of tidal water level variations for La Barrosa produced small changes in model predictions, with tidal migration of the sediment flux pattern suppressing the development of bar morphology in line with the form of the observed profile.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2006, 53, 3; 235-266
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimating solid contaminant levels in beach sands through petrographic analysis, screening evaluation, and optical imaging
Autorzy:
Kuś, Sebastian
Jelonek, Zbigniew
Jelonek, Iwona
Sierka, Edyta
Powiązania:
https://bibliotekanauki.pl/articles/27311567.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
beach
optical analysis
petrographic analysis
solid pollution
Opis:
Determining the level of solid pollution in beach sands located near artificial inland water bodies in order to maintain high safety standards is a difficult and expensive task. The tests aimed at determining beach pollution caused by solid wastes through analysis of toxic and chemical concentrations, are time-consuming and usually require several days before the results are available. In addition, the maintenance of the beach area involving beach raking or grooming, and the seasonal replenishment of sand makes it difficult to realistically determine the chemical or bacterial contamination of the tested material. Solid pollutants, such as glass, caps, cans, thick foil, metal, and plastic fragments, pose a greater health risk to beachgoers. The above-mentioned pollutants, especially small ones, are hardly visible on the surface or they are buried at shallow depths. Beach garbage poses a serious threat that can lead to infections from cuts and scratches. These injuries can become infected, further jeopardizing the health and lives of beachgoers due to risks like tetanus, staphylococcus, etc. The authors presented a new petrographic method aimed at assessing the quality of sand by examining the content of solid pollutants. The obtained results allowed us to conclude that the mentioned procedure can be used for a quick quantitative estimation of the content of potentially dangerous and undesirable pollutants in beach sands. Consequently, the method implemented to determent the amount of solid pollutants in beach sands has proven to be a valuable tool for recreational facility administrators, helping them in taking necessary measures to ensure the safety of beach users. Petrographic analysis of beach sands revealed the presence of pollutants of plant origin (0.4–1.8%), plastic (0.1–0.4%), paper (0.1–0.6%), charcoal (0.1–0.5%), glass (0.1–0.4%), metals (0.1–0.4%), rust (0.1–0.3%), ash and slag (0.1–0.3%), and fossil coals (0.1–0.2%).
Źródło:
Archives of Environmental Protection; 2023, 49, 3; 50--63
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selectivity of fishing gear for hairtail fish (Trichiurus lepturus Linnaeus, 1758) commodities in Pangandaran District, Indonesia
Autorzy:
Sienna, Yafi Ibnu
Hasan, Zahidah
Lili, Walim
Dewanti, Lantun Paradhita
Powiązania:
https://bibliotekanauki.pl/articles/1075461.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Beach seines
Gill nets
Pangandaran
Selectivity
Trichiurus lepturus
Opis:
Hairtail fish (Trichiurus lepturus Linnaeus, 1758) are a major commodity of high economic value in Pangadaran. This study aims to determine the most selective fishing gear for hairtail fish commodities based on the frequency of hairtail fish length, the proportion of the main catch and by-catch in Pangandaran District. Data collected are primary and secondary data. Primary data consists of catch data and fish size length. The catch is obtained by collecting the results of landing fish with gill nets and beach seines. Fish size length data obtained through direct measurement when the fish is landed. Secondary data collected is data on capture fisheries production in Pangandaran District. Data analysis consisted of calculation of length size distribution and comparison of main and by-catches with fishing gears. The analysis was carried out with the help of Microsoft Excel software. The results of this study indicate that hairtail fish in Pangandaran District were captured using gill nets and beach seines. Based on the results of the research conducted on August 2018 until January 2019, it can be concluded that gill net fishing gears are more selective compared to beach seines based on several parameters observed, namely the length distribution and the proportion of main catch : by-catch. The results showed that the comparison of the length distribution of hairtail fish that was appropriately caught between gill nets and beach seines was 85.74% : 30,74%. Comparison of the proportion of main catch : by-catch between gill nets and beach seines was 52.38%: 23.57%.
Źródło:
World Scientific News; 2019, 126; 248-260
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The debris distribution model for removal planning of an urbanized estuarine complex
Autorzy:
Barrella, Walter
Farraboti, Edineia
Carminatto, Amanda Aparecida
Adami, Fabiola Andrea Chofard
Rotundo, Matheus Marcos
Ramires, Milena
Júnior, Miguel Petrere
Powiązania:
https://bibliotekanauki.pl/articles/1050755.pdf
Data publikacji:
2021-03-31
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
beach hydrodynamics
marine waste
anthropic litter
stranded debris
Opis:
We checked the spatial pattern of debris stranding at Praia de Santos (Brazil) in the first hour after the peak of high and low tide in summer and winter. We recorded and counted 20 types of debris (natural and anthropogenic) in 6 transects arranged in 3 zones along the beach (deposition, transport, and erosion). Canonical Correspondence Analysis (CCA) showed that buoyancy was an essential property in distinguishing debris stranding behaviours. The erosion zone, closer to the estuary showed that many mollusk shells, ropes and rocks, while plastics, styrofoam and fiber nylon were in the deposition zone. Throughout the estuary, we inspected the beach, identifying sections of origin and accumulation associated with the circulation system and currents. We propose the removal and recycling of debris from accumulation sites near highways and urban systems.
Źródło:
Quaestiones Geographicae; 2021, 40, 1; 97-107
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Species diversity of Arctic gravel beach: case study for species poor habitats
Autorzy:
Ronowicz, Marta
Powiązania:
https://bibliotekanauki.pl/articles/2051931.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
Hornsund fjord
gravel beach
macrofauna
biodiversity
Źródło:
Polish Polar Research; 2005, 26, 4; 287-297
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the Description of Long Water Waves in Material Variables
Autorzy:
Szmidt, K.
Hedzielski, B.
Powiązania:
https://bibliotekanauki.pl/articles/241085.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
long waves
shallow water
unsteady motion
sloping beach
Opis:
Shallow water equations formulated in material variables are presented in this paper. In the model considered, a three-dimensional physical problem is substituted by a two-dimensional one describing a transformation of long waves in water of variable depth. The latter is obtained by means of the assumption that a vertical column of water particles remains vertical during the entire motion of the fluid. Under the assumption of small, continuous variation of the water depth, the equations for gravity waves are derived through Hamilton's principle formulated in terms of the material coordinates. This formulation ensures the conservation of mechanical energy. The approximation depends on the wave parameters as well as on the bed bathymetry. The latter may influence a solution of the model decisively; thus, one should be careful in applying the description to complicated geometries of fluid domains encountered in engineering practice.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2009, 56, 1-2; 63-83
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trash on Arctic beach: Coastal pollution along Calypsostranda, Bellsund, Svalbard
Autorzy:
Jaskólski, Marek Wojciech
Pawłowski, Łukasz
Strzelecki, Mateusz Czesław
Zagórski, Piotr
Lane, Timothy Patrick
Powiązania:
https://bibliotekanauki.pl/articles/2042119.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spitsbergen
beach pollution
plastic trash
human impact
Źródło:
Polish Polar Research; 2018, 39, 2; 211-224
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Macro-plastic litter, a new vector for boreal species dispersal on Svalbard
Autorzy:
Węsławski, Jan Marcin
Kotwicki, Lech
Powiązania:
https://bibliotekanauki.pl/articles/2042124.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Svalbard
macro-plastic
beach litter
species dispersal
Źródło:
Polish Polar Research; 2018, 39, 1; 165-174
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
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