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Wyświetlanie 1-15 z 79
Tytuł:
Rekonstrukcje stref użytkowania krajobrazu i stopnia antropopresji na podstawie archiwów paleoekologicznych : przykłady ze środkowej Wielkopolski
Autorzy:
Makohonienko, M.
Powiązania:
https://bibliotekanauki.pl/articles/295248.pdf
Data publikacji:
2011
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
cultural landscape
terrestrial ecosystems
limnic ecosystems
zones of anthropopressure
Pediastrum
pollen analysis
Opis:
Results of pollen analysis and records of fossil plankton organisms indicate human activity in catchment areas of lakes. These records of human impact depend on the form of anthropogenic activity, scale of settlement processes and location of the zones of activity. Comparison of the two records, which illustrate transformations of terrestrial and limnic habitats, may indicate the zones of human activity. Some examples of correlation of palynological human impact indicators and Pediastrum from lakes in Wielkopolska have been discussed.
Źródło:
Landform Analysis; 2011, 16; 46-51
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Information technology for studying carbon sink in stemwood of forest ecosystems
Autorzy:
Tokar, O.
Lesiv, M.
Korol, M.
Powiązania:
https://bibliotekanauki.pl/articles/411233.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
forest ecosystems
mathematical models of carbon sink in forest ecosystems
spatial inventory
Opis:
An information technology for calculation of carbon sink in stemwood of forest ecosystems on a territorial basis is developed. This information technology involves interpretation of input data of statistical inventory of forest stands using electronic maps of forestry, formation of databases and processing the data by applying a special algorithm for calculating the carbon sink in stemwood and presenting the results in a form of thematic maps. The estimation of the carbon sink in stemwood is done by using a "bottom-up" (wood – sample plots (SP) - forestry) approach applying mathematical models of distributed inventory of the carbon sink that take into account regional specificities of species in the study area and average annual growth of biomass. We estimated carbon sink in stemwood using data from experimental studies conducted on 54 sample plots of forestry “Spaske” of forest enterprise "Broshnivske FE" of Ivano- Frankivsk region. The largest carbon sink occurs in mixed forest ecosystems - 1829 tons/year, the average carbon sink (per ha) is 951 kg/year. The information technology can be applied for estimation of the carbon sink in forest stemwood in any part of Ukraine or another country where necessary input data are available.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2014, 3, 1; 113-120
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Half-century of Research on Free-living Amoebae (1965-2017): Review of Biogeographic, Ecological and Physiological Studies
Autorzy:
Anderson, O. Roger
Powiązania:
https://bibliotekanauki.pl/articles/52159038.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Amoebozoa
aquatic ecosystems
biogeography
ecology
environmental science
microbial physiology
terrestrial ecosystems
protistology
Opis:
This is a review of over 400 published research papers on free-living, non-testate amoebae during the approximate last half century (1965-2017) particularly focusing on three topics: Biogeography, Ecology, and Physiology. These topics were identified because of the substantial attention given to them during the course of the last half century, and due to their potential importance in issues of local and global expanse, such as: aquatic and terrestrial stability of habitats, ecosystem processes, biogeochemistry and climate change, and the role of eukaryotic microbes generally in ecosystem services. Moreover, there are close epistemological and thematic ties among the three topics, making a synthesis of the published research more systematic and productive. The number of reviewed publications for each of the three individual topics is presented to illustrate the trends in publication frequencies during the historical period of analysis. Overall, the number of total publications reviewed varied somewhat between 1965 and early 2000 (generally less than 10 per year), but increased to well over 10 per year after 2000. The number of Biogeography and Ecology studies identified in the online citations increased substantially after the mid 1990s, while studies focusing on Physiology were relatively more abundant in the first decade (1965-1974) and less were identified in the 1985 to 2004 period. Citations to the literature are listed in tables for each of the three topics for convenience in retrieving references to specific aspects, and representative examples of the cited research in the tables are reviewed in the text under subheads dedicated to each of the three topics. Biogeographic studies largely focused on the geographic distribution and localized patterns of occurrence of amoebae, with more recent studies incorporating more attention to likely correlates with environmental and biotic factors in the distribution and community composition of amoebae. Ecological studies reviewed in the later decades tended to focus more on community dynamics, the effects of environmental variables on communities (including climate-related topics), a trend toward more physiological ecology studies, combined field-based and experimental studies, and incorporation of newer methodologies such as molecular genetics. In general, physiology studies in the first decades of the review tended to focus on topics of cell physiology such as basic biochemistry, enzyme assays, mechanisms of cell division and development, encystment, and motility. Later studies examined broader topics such as osmoregulation, nutrition, fine structure evidence of cellular changes during the life cycle (including encystment and excystment), and issues related to asexual and sexual reproduction, with increasing substantial evidence of evolutionary patterns and phylogenetics based on molecular evidence. A final section on Conclusions and Recommendations summarizes the findings and presents some potentially productive approaches to future research studies on Amoebozoa within the three designated topics of analysis.
Źródło:
Acta Protozoologica; 2018, 57, 1; 1-28
0065-1583
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Groundwater dependent ecosystems and man : conflicting groundwater uses
Autorzy:
Wachniew, P.
Witczak, S.
Postawa, A.
Kania, J.
Żurek, A.
Różański, K.
Dulliński, M.
Powiązania:
https://bibliotekanauki.pl/articles/2060474.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
groundwater
ecosystems
modelling
indicators
tracers
Opis:
Groundwater Dependent Ecosystems (GDE) are important elements of biodiversity and providers of valuable goods and services to society. Preservation of their environmental functions in the face of increasing anthropogenic pressures on groundwater resources and progressive climate change depends on appropriate environmental policies and water resources management. A brief overview of current knowledge of the functioning of GDE and their relations with groundwater is given in the first part of the article. Effective incorporation of GDE into the policy and practice of water resources management depends on thorough understanding of how hydrogeological processes and human impacts influence the quantity and quality of groundwater available to ecosystems. Major scientific challenges in this regard are related to adequate representation of GDE in the conceptual and re lated numeri cal models of groundwater systems. An example of a GDE (Wielkie Błoto fen in southern Poland) is discussed in some detail in the second part of the article. It illustrates some of the pressures and threats which GDE located in densely populated regions of the European continent are experiencing nowadays. Selected research tools used to quantify those pressures and threats are described and discussed.
Źródło:
Geological Quarterly; 2014, 58, 4; 695--706
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of climate change on productivity of ecosystems of the Polissya zone of the Ukraine
Autorzy:
Kyriienko, Svitlana
Sliuta, Alina Mykolaivna
Powiązania:
https://bibliotekanauki.pl/articles/2025986.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
climate change
productivity of ecosystems
Polissya
Opis:
Results of the analysis proved that the net primary productivity has a strong connection with the solar insolation. The length of daylight and the level of solar radiation are the driving forces behind changes in growth of primary products, as floral forms are among the first indicators of changes in ecosystems due to global warming. The group of climatic components that have a moderate connection with the bioproductivity of ecosystems of the Polissya are derivatives of bioclimatic indicators related to air temperature, including annual temperature, seasonality, minimum temperature of the coldest month, and the average temperature of the coldest quarter. Seasonality and the annual variation of temperature affect bioproductive processes inversely: the productivity decreases with the increased temperature range between the warmest and the coldest periods of the year and in the middle of quarters.
Źródło:
Studia Quaternaria; 2021, 38, 2; 79-83
1641-5558
2300-0384
Pojawia się w:
Studia Quaternaria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The attempt to assess the fire risk of non-forest terrestrial ecosystems of Biebrza National Park - A case study
Autorzy:
Szczygieł, Ryszard
Kwiatkowski, Mirosław
Kołakowski, Bartłomiej
Powiązania:
https://bibliotekanauki.pl/articles/2041238.pdf
Data publikacji:
2021
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
fire risk
non-forest ecosystems
classification method
Opis:
On 19th April, the largest wildfire of the entire history of Biebrza National Park broke out and consumed 5526 ha, mostly overdried grassland with sedges and reeds of Biebrza marshes. The very rapid spread of the fire in the open space, with the blowing wind changing directions and the inaccessibility of the area for fire-fighting vehicles were the main reasons of this third largest wildfire in Poland, after the tragic forest fires in Kuźnia Raciborska (9060 ha burnt) and Potrzebowice (5600 ha burnt) in the memorable year of 1992. After this event, activities were undertaken to develop a fire protection plan for the Biebrza National Park. It took into account an innovative approach during the analysis of the existing fire risk, primarily regarding the non-forest terrestrial ecosystems composed of herbaceous vegetation, which constitutes as much as 61.2% of the park’s area, and to propose protection methods adequate to the threat. The work was completed in the framework of the project entitled ‘Development of the method for assessing the fire risk of non-forest ecosystems and the principles of fire protection for the Biebrza National Park – stage I,’ commissioned for the Forest Research Institute by the Biebrza National Park, financed by the State Forests from the forest fund, in accordance with the contract EZ.0290.1.24.2020. The article presents a preliminary method of classifying the fire risk of non-forest ecosystems, considering the occurrence of the fires in the Biebrza National Park in the years 2007–2020 and the type of vegetation burnt. This method, after supplementary field tests planned in 2021, will enable evaluation of the fire risk, which shall be a premise for the development of a fire protection plan.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2021, 63, 2; 167-175
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modele stosowane do opisu architektury drzew i możliwości ich praktycznego wykorzystania w leśnictwie
Tree architecture descriptive models with forestry applications
Autorzy:
Kędra, K.
Stereńczak, K.
Gazda, A.
Powiązania:
https://bibliotekanauki.pl/articles/978911.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
forest modelling
forest ecosystems
remote sensing
geometry
Opis:
The qualitative and quantitative descriptive models of tree architecture differ in the degree of complexity and the way of mapping tree structure, and thus, are of varied use in forestry. The qualitative, Hallé−Oldeman models, serve as a framework for analyzing tree architecture and help define the different components of a tree branching system. Among the quantitative models (here: horizontal, three−dimensional or vertical ones) the horizontal representations are the most parsimonious, and proved to be useful for examining the effects of competition process and the light conditions within the forest understory. The three−dimensional representations (Quantitative Structural Models; QSMs) have the widest range of applications as they may be used for deriving both the two−dimensional traits (such as crown length or branch height) and the volumetric traits (such as tree crown volume or wood volume). At the same time they are the most complex ones. The vertical models were used to study the impact of local terrain shape and wind conditions on tree architecture, but the way of deriving such models from the QSMs seems excessively laborious. However, we highlight here also a photogrammetric method, which allows to obtain an analogous model in much simpler way. Both three−dimensional and vertical representations are useful for determining the wood quality features. Three−dimensional models can be used to accurately measure tree woody biomass, while horizontal models can be used for reliable biomass estimations.
Źródło:
Sylwan; 2020, 164, 09; 707-718
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cultural Ecosystem of Creative Place: Creative Class, Creative Networks and Participation in Culture
Autorzy:
Anders-Morawska, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/648440.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
Creative places
participation in culture
cultural ecosystems
Opis:
The scope of this paper is to conceptualise a data-based research framework for the role of creative networks in cultural exchange. Participation in culture measured as audience per 1000 residents and expenditures on culture-related activities were analysed in relation to such territorial assets as accessibility to creative infrastructure, the economic status of residents, the governance networks of civil society, and cultural capital. The results indicate how accessibility, governance networks, and cultural capital contribute to participation measured via audience indicators while a low poverty rate has explanatory value with respect to expenditures on culture.
Źródło:
International Studies. Interdisciplinary Political and Cultural Journal; 2017, 19, 1
1641-4233
2300-8695
Pojawia się w:
International Studies. Interdisciplinary Political and Cultural Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In Search of New Fusarium Species
Autorzy:
Leslie, John F.
Summerell, Brett A.
Powiązania:
https://bibliotekanauki.pl/articles/2199583.pdf
Data publikacji:
2011-06-21
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
Fusarium
native ecosystems
species concept
subsistence agriculture
Opis:
Fusarium is a large fungal genus, but scientists who work with it continue to search for new species to help bridge perceived phylogenetic gaps and to assess the biogeography of species origin and distribution.  Potential new sources for species include collections made from plants and soil in native ecosystems and  ubsistence agriculture farms. These ecosystems are less likely to have suffered anthropomorphic changes and  may offer the best hope for identifying previously undescribed species and for obtaining reliable data on species distribution. In addition to new collections, new species also may result from the break-up of a number of  large species complexes that are held together primarily by   orphological similarities. The two approaches  are complementary and should collectively help to increase the number, diversity and quality of the species  known within the genus.
Źródło:
Plant Breeding and Seed Science; 2011, 63; 93-102
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Public investment policy as a driver of changes in the ecosystem services delivery by an urban green infrastructure
Autorzy:
Abramowicz, Dawid
Stępniewska, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/1050859.pdf
Data publikacji:
2020-03-31
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
spatial development
urban areas
water-dependent ecosystems
Opis:
The presented study considers the impact of public expenditure related to land development on the potential of an urban green infrastructure to provide ecosystem services (ES). The study site (Szachty) is located in Poznań, the fifth largest city in Poland. In the article, we recognised the type of expenditure (permanent infrastructure and ongoing maintenance), the costs and the influence on ES (stimulating, weakening or no relevant). The study shows that the financial policy concerning the study area is focused on creating an infrastructure that enhances cultural ecosystem services (CES). However, the creation of recreational facilities weakens the potential of the area for supplying regulating services concerning maintaining nursery populations and habitats. The results highlight the need for scientific support for policymakers in understanding the synergies and trade-offs between ES, resulting from financial decisions. This is particularly important in the decision-making process in the areas of high natural value, in which full, long-term effects of the decisions may be barely visible and incomprehensible for the society. Showing the impact of financial decisions on the structure and level of ES may provide arguments supporting a more complex and high-quality social dialogue, including balancing the interests of various stakeholders.
Źródło:
Quaestiones Geographicae; 2020, 39, 1; 5-18
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Functions of Urban Greenspace and Ecosystem Services
Autorzy:
Szumacher, Iwona
Kufel, Lech
Powiązania:
https://bibliotekanauki.pl/articles/2035454.pdf
Data publikacji:
2011-06-01
Wydawca:
Uniwersytet Warszawski. Wydział Geografii i Studiów Regionalnych
Tematy:
urban greenspace
functions
urban ecosystems
ecosystem services
Opis:
The concept of ecosystems services has become an important model for linking the functions of ecosystems to human welfare. The aim of this paper is to identify ecosystem services generated by green areas within the urban area, classify and value them. "Ecosystem services" refers to components of nature, directly enjoyed, consumed, or used to yield human well-being (Boyd, Banzhaf 2007). This definition advances the ability to use ecosystem services as a practical measurement tool.
Źródło:
Miscellanea Geographica. Regional Studies on Development; 2011, 15; 123-129
0867-6046
2084-6118
Pojawia się w:
Miscellanea Geographica. Regional Studies on Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diatom assemblages in surface sediments of Lake Imandra (Russia, Murmansk region)
Autorzy:
Vokueva, Sofia
Denisov, Dmitrii
Powiązania:
https://bibliotekanauki.pl/articles/2041694.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
biodiversity
bioindication
water quality
subarctic freshwater ecosystems
Źródło:
Polish Polar Research; 2021, 42, 4; 249-268
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena roli usług ekosystemów miejskich w zrównoważonym rozwoju lokalnym
Autorzy:
Lorek, Elżbieta
Lorek, Agnieszka
Słupik, Sylwia
Powiązania:
https://bibliotekanauki.pl/articles/630378.pdf
Data publikacji:
2018
Wydawca:
Szkoła Główna Handlowa w Warszawie
Tematy:
urban ecosystems services, value of ecosystem services, EU policy
Opis:
Ecosystem services are an important framework for linking ecological infrastructure to urban social infrastructure, which can benefit people and ecosystems. Designing, planning and managing of complex urban systems for health and wellbeing requires urban ecosystems that are both immune to systemic changes and managed sustainably. Literature review reveals that so far only several researchers have focused on urban ecosystem services (UES). The paper aims at assessing the importance of ecosystem services at the local level with an emphasis on urbanized areas. The basic conditions and barriers to the implementation of the concept of ecosystem services in the EU policy and local development have also been identified. The paper also presents solutions concerning the creation of integrated systems of providing such services by local governments and their monitoring.
Źródło:
Kwartalnik Kolegium Ekonomiczno-Społecznego Studia i Prace; 2018, 1; 145-162
2082-0976
Pojawia się w:
Kwartalnik Kolegium Ekonomiczno-Społecznego Studia i Prace
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Systemic approach to the analysis of ecological reliability of consortive protective ecotones
Autorzy:
Boyko, T.
Ruda, M.
Paslavsky, M.
Lentyakov, V.
Powiązania:
https://bibliotekanauki.pl/articles/1190173.pdf
Data publikacji:
2019
Wydawca:
Gdańska Szkoła Wyższa
Tematy:
consortium ecotones
ecological reliability
ecological stability
capacity of ecosystems
Opis:
The article presents a methodology for assessing the environmental reliability of consortium ecotones of protective type on the roads of the Lviv railway. It was established that the spatial or morphological structure reflects the compound, structural relations and spatial arrangement of structural elements or ecosystem blocks, which determine the peculiarities of its functioning under certain environmental conditions. The task of the functional structure is to reflect the features of the work (functioning) of the structural components of the ecosystem. It characterizes the pace, amount and effects of substance-energy exchange, stability, performance and other important functions. The totality of the design of protective forest plantations on the railway line operates as a single system or forest-melioration complex — a consortium that performs the functions of an ecological framework, where elements and subsystems interact, providing a synergistic effect. The spatial structure of the consortium ecotones of the protective type of the Lviv railway was constructed. The analysis of the structure of consortium ecotones of the protective type and the indicators of ecological reliability are determined.
Źródło:
Eco-Energetics: technologies, environment, law and economy; 2019, 2; 155--170
2657-5922
2657-7674
Pojawia się w:
Eco-Energetics: technologies, environment, law and economy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ecosystem services in the circular economy
Usługi ekosystemów w koncepcji gospodarki cyrkulacyjnej
Autorzy:
Wojtach, A.
Powiązania:
https://bibliotekanauki.pl/articles/96682.pdf
Data publikacji:
2016
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
świadczenia ekosystemów
gospodarka cyrkulacyjna
benefits of ecosystems
circular economy
Opis:
The main purpose of the article is to discuss actions taken in the quest for sustainable growth and the role of ecosystem services in the development of the circular economy. The hypothesis in this study is that knowledge of ecosystem services and its application in the economy will offer a number of benefits (environmental and economic). The article also contains information regarding the first proposals for the development of the circular economy in Poland, co-developed by partners of the international project titled “Improving skills in the Green Economy through Advanced Training Program” on Cradle to Cradle “(C2C SMEs)”.
Zrównoważone wykorzystanie zasobów wymaga oszacowania ich dostępności oraz ochrony ekosystemów. Istotne jest utrzymanie zdolności środowiska do pochłaniania zanieczyszczeń i zachowanie różnorodności biologicznej. Koncepcja gospodarki cyrkulacyjnej, w szerokim ujęciu, obejmuje nie tylko zagadnienia efektywności produkcji i eliminacji powstawania odpadów lecz całokształt usług ekosystemów. Zmniejszenie ilości wykorzystanych zasobów oraz zanieczyszczeń niesie za sobą poprawę jakości życia jak również i ekonomikę przedsięwzięć.
Źródło:
Ekonomia i Środowisko; 2016, 4; 99-108
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
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