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Wyszukujesz frazę "biodiversity conservation" wg kryterium: Temat


Tytuł:
Genetic variation of arta populations (Calligonum polygonoides subsp. comosum) in Egypt : Genepools for biodiversity and afforestation
Autorzy:
Mahdy, Ehab M.B.
Rizk, Rehab M.
Powiązania:
https://bibliotekanauki.pl/articles/2203540.pdf
Data publikacji:
2023
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
afforestation
biodiversity conservation
Calligonum polygonoides
genetic diversity
Opis:
Genetic diversity manipulates a prime and vital role in the sustainable use of genetic resources. The data highlighted more insights into the genetic diversity of the arta plant (Calligonum polygonoides subsp. comosum) populations collected from three localities, Qalabshu (QQ), Mutubas (MM) and Gamasa (GG), in Egypt as gene pool for biodiversity conservation and afforestation. Random amplified polymorphic DNA (RAPD) markers investigated the population pattern and structure. A total of 129-amplicons oscillated from 145 to 1505 bp and a total of 19-amplicons were specific markers with an average of nine bands for each population. The Shannon index (I) scored at an average of 0.3. The diversity (h) oscillated from 0.11 to 0.25. The similarity matrices based on Jaccard coefficient recorded positive values. A higher correlation (r = 0.83) was between the combined Qalabshu (QQ) and Mutubas (MM) matrices using the Mantel test with 1,000 permutations. This species has higher adaptability for their regions. This gene pool is a valuable reservoir for enriching genetic diversity and provides basal information for the biodiversity conservation of a dominant species. The dominant species can be utilised in afforestation in the same region or another region which has the same environmental conditions.
Źródło:
Journal of Water and Land Development; 2023, 56; 81--90
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling the potential distribution of the endemic oak Quercus vulcanica Boiss. & Heldr. ex Kotschy in Turkey from the last interglacial to the future: From near threatened to endangered
Autorzy:
Sarikaya, A.G.
Orucu, O.K.
Sen, I.
Sarikaya, O.
Powiązania:
https://bibliotekanauki.pl/articles/2130201.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
oak
biogeography
species distribution modelling
MaxEnt
biodiversity conservation
Opis:
The aims of this study are to model past (LIG, LGM and Mid-Holocene), present and future (2050 and 2070) distributions of the Quercus vulcanica Boiss. & Heldr. ex Kotschy by using Maximum Entropy, and to predict suitable areas for the conservation of the species for future planning. MaxEnt distribution modeling was used to model distributions. Results for past bioclimatic conditions show that the distribution area of the species expanded and then contracted (LIG to LGM and LGM to HOL). The modelling shows that the distribution range of the species will be narrower in the future. The species will be facing extinction towards 2070. Therefore, the conservation status of the species should be evaluated according to the present findings. Although the largest population of the Q. vulcanica is found in Isparta and Afyonkarahisar Provinces located in Southwestern Turkey, this area will not be suitable for the growth and survival of the species in the future. For this reason, a new nature reserve area should be established in a more suitable climate.
Źródło:
Dendrobiology; 2022, 88; 70-80
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In situ genetic variability and micropropagation of Cerastium banaticum (Rochel) Heuff. (Caryophyllaceae)– a rare and endemic species from Romania
Autorzy:
Cristea, V.
Besenyei, E.
Jarda, L.
Farkas, A.
Marcu, D.
Clapa, D.
Halmagyi, A.
Butiuc-Keul, A.
Powiązania:
https://bibliotekanauki.pl/articles/2117879.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
acclimatization
biodiversity conservation
plant growth regulators
SSR markers
Opis:
Rare and endemic plant species represent important components of plant biodiversity which require protection to ensure their sustainable conservation. Cerastium banaticum (Rochel) Heuff. is such an endemic and rare species from Romania, for which the genetic variability of two natural populations was studied by SSR markers. Shannon’s information index revealed low levels of genetic diversity in both populations (I = 0.296). As the first attempt in a conservation program a reproducible micropropagation protocol was established starting from seeds, followed by multiplication, rooting, and ex vitro acclimatization. Among the various plant growth regulators tested the highest multiplication coefficient was achieved on a culture medium with 0.5 mg L -1 6-furfurylaminopurine (K) and 1 mg L -1 α-naphthaleneacetic acid (NAA). On this PGRs concentration a number of 26.6 shoots/individual explant with a mean length of 7.9 cm for new generated shoots was registered. The highest number of roots/indi- vidual initiated shoot was 2.6 and it was recorded on a culture medium with 0.5 mg L -1 2-isopentyl-adenine (2iP) and 0.1 mg L -1 NAA. The outdoor acclimatization was successfully performed in a specially designed rocky area in the ‘Alexandru Borza’ Botanical Garden, Cluj-Napoca (Romania).
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2019, 61, 1; 53-62
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sacred Grove of Devi Satkanya at Lebong in Darjeeling Himalaya (India): A Traditional Way of Biodiversity Conservation Since Time Immemorial
Autorzy:
Panda, Subhasis
Powiązania:
https://bibliotekanauki.pl/articles/1178774.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Biodiversity conservation
Darjeeling
Devi Satkanya
India
Lebong
Sacred Grove
Opis:
Devi Satkanya Sacred Grove is located behind a mistic town called Lebong as a pristine forest patch, about 8 km from Darjeeling Town. Geographically, the grove is located between 27°03.436’N Lat. and 88°16.592’E Long. at an altitude of about 1823 m. Total area of the grove is approx. 5770 square metre (sq.m.). In Darjeeling, most of the Sacred Groves have ‘deity’---rocky idols of Devi Durga and Lord Shiva, often reside inside small rocky caves called ‘cave temple’. Devi Satkanya Sacred Grove possesses a great heritage of diverse gene pool of many forest species having socio-religious attachment and possessing medicinal values viz., Garcinia cowa DC., Prunus cerasoides D.Don, Michelia cathcartii Hook.f. & Thomson (Chanp), Ficus nemoralis Wall. etc. Devi Satkanya SG is ecologically and genetically very important. It harbours a good number of Endangered ethnomedicinal plants like Swertia chirayita (Roxb. ex Fleming) H. Karst. and animals like Himalayan Salamander (Tylototriton verrucosus Anderson). As a result of extensive field visits in different seasons to Devi Satkanya SG from June 2014 to October 2016, new and first hand data on threatened plants and animals, ethnomedicinal plants and traditional and magical way of biodiversity conservation by the local Nepalese since time immemorial were documented.
Źródło:
World Scientific News; 2017, 90; 51-61
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biodiversity conservation and monitoring – engagement and motivations of citizen scientists
Autorzy:
Grodzińska-Jurczak, Małgorzata
Kobierska, Hanna
Tusznio, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/2079160.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
citizen scientists
volunteering
biodiversity conservation
NGOs
monitoring
Central Eastern European Countries
Nauki o Ziemi
Opis:
Biodiversity conservation cannot operate in Central Eastern European countries without a well-established monitoring system, that is dependent on the citizen scientists input. Here we analyse, based on a Polish case: (1) The contribution of NGOs to the national nature monitoring scheme and their collaboration with governmental and scientifi c institutions and (2) the motivation of citizen scientists to volunteer for NGOs’ monitoring activities. The study comprises a focus group interview, 30 in-depth interviews with coordinators, citizen scientists, experts and a 23 days long participant observation of a model NGO. We have assessed the monitoring input of NGOs as being a contributory factor infl uencing the biodiversity conservation effectiveness. The cooperation between governmental, scientifi c institutions and NGOs exists, but is dependent on national funding. Although NGOs highlight the lack of coherence in monitoring methodology, they are willing to join the biodiversity monitoring, especially at the European Ecological Network – Natura 2000 sites. On the other hand the trust concerning cooperation with citizen scientists is limited. However, despite this, they still turned out to be trustworthy partners. The most effective way to maintain cooperation with citizen scientists is to create a bond in a group and to provide them with the opportunity to develop their passion for nature. Our fi ndings have shed light on the growing importance of citizen scientists in biodiversity governance, providing recommendations for developBiodiversity conservation cannot operate in Central Eastern European countries without a well-established monitoring system, that is dependent on the citizen scientists input. Here we analyse, based on a Polish case: (1) The contribution of NGOs to the national nature monitoring scheme and their collaboration with governmental and scientifi c institutions and (2) the motivation of citizen scientists to volunteer for NGOs’ monitoring activities. The study comprises a focus group interview, 30 in-depth interviews with coordinators, citizen scientists, experts and a 23 days long participant observation of a model NGO. We have assessed the monitoring input of NGOs as being a contributory factor infl uencing the biodiversity conservation effectiveness. The cooperation between governmental, scientifi c institutions and NGOs exists, but is dependent on national funding. Although NGOs highlight the lack of coherence in monitoring methodology, they are willing to join the biodiversity monitoring, especially at the European Ecological Network – Natura 2000 sites. On the other hand the trust concerning cooperation with citizen scientists is limited. However, despite this, they still turned out to be trustworthy partners. The most effective way to maintain cooperation with citizen scientists is to create a bond in a group and to provide them with the opportunity to develop their passion for nature. Our fi ndings have shed light on the growing importance of citizen scientists in biodiversity governance, providing recommendations for development of the effective monitoring schemes based on the volunteer work of citizen scientists.ment of the effective monitoring schemes based on the volunteer work of citizen scientists.
Źródło:
Papers on Global Change; 2018, 25; 93-110
2300-8121
1730-802X
Pojawia się w:
Papers on Global Change
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biodiversity Conservation as the Determinant of the Common Agricultural Policy (CAP)
Autorzy:
Gała, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/619163.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
biodiversity
biodiversity conservation
rural development
the Common Agricultural Policy
bioróżnorodność
ochrona bioróżnorodności
rozwój obszarów wiejskich
Wspólna Polityka Rolna
Opis:
One of the effects of human expansion on the Earth is enormous growth of the species extinction rate. And this process leads to significant reduction of biodiversity. Meanwhile, its protection is necessary for the most elemental reasons, it means: maintenance of the action mechanisms of the living nature; maintenance of the ability of the nature to survive changes to the environment; prevention of the loss of natural values, hitherto undiscovered and unused, which constitute the basis for development and the guarantee to survive future generations. The concept of biological diversity was defined by the Convention on Biological Diversity adopted at the United Nations Conference on the Environment and Development (so called “Earth Summit”) in Rio de Janeiro on 5 June 1992. The European Union is the Signatory of that Convention. Therefore, the obligations imposed on the signatories of the Convention shall be also reflected in the Common Agricultural Policy of the European Union. However, up till the year 2014 the necessity of biological biodiversity conservation did not constitute the determinant of the Common Agricultural Policy. After, at least the last development stage of CAP introduces the set of measures which benefits the protection of diversity. However, it is important that the CAP legal regulations shall be reflected in the national legal regulations of the Members of the European Union, as well as that their implementation shall be accompanied by recognition of the natural capital value by the European Union community.
 Jednym z efektów ekspansji człowieka na Ziemi jest ogromny wzrost tempa wymierania gatunków. Proces ten prowadzi do znaczącego ograniczenia bioróżnorodności. Jej ochrona jest konieczna z najbardziej elementarnych przyczyn: dla zachowania mechanizmów działania żywej przyrody oraz zdolności przyrody do przetrwania zmian środowiska, a także dla zapobieżenia utracie wartości przyrodniczych, jeszcze nieodkrytych i niewykorzystanych, które mogą być podstawą rozwoju i gwarancją przeżycia przyszłych pokoleń. Pojęcie różnorodności biologicznej zostało zdefiniowane w Konwencji o różnorodności biologicznej przyjętej podczas Konferencji Narodów Zjednoczonych na temat środowiska i rozwoju (tzw. Szczytu Ziemi) w Rio de Janeiro 5 czerwca 1992 r. Sygnatariuszem tej Konwencji jest Unia Europejska. Zobowiązania nałożone na sygnatariuszy Konwencji winny znaleźć odzwierciedlenie we Wspólnej Polityce Rolnej (WPR) UE. Konieczność ochrony różnorodności biologicznej nie stanowiła jednak determinantu WPR aż do 2014 r. Dopiero jej ostatnia faza rozwojowa wprowadziła zestaw środków służących ochronie bioróżnorodności. Ważne jest, by regulacje prawne WPR znalazły odzwierciedlenie w przepisach prawa krajowego członków UE oraz by ich wdrażaniu towarzyszyło uznanie wartości kapitału naturalnego przez społeczność UE.
Źródło:
Studia Iuridica Lublinensia; 2017, 26, 1
1731-6375
Pojawia się w:
Studia Iuridica Lublinensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The forest arborets and their activities for forest and nature education
Autorzy:
Pietrzak-Zawadka, J.
Zawadka, J.
Powiązania:
https://bibliotekanauki.pl/articles/96559.pdf
Data publikacji:
2018
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
arboretum
edukacja nieformalna
edukacja leśna
ochrona różnorodności biologicznej
Lasy Państwowe
informal education
forest education
biodiversity conservation
State Forests
Opis:
Over the centuries, arboreta and botanical gardens have performed a variety of functions, the most important being the collection and sharing of the various plant collections. Initially, these collections mainly included medicinal plants for the education of future physicians or pharmacists. The aim of this article is to show the significant role of these units in the forest and nature education. Conducting scientific research and making collections for educational and research purposes is carried out by botanical gardens primarily by providing access to the public to harvest in a manner that will not endanger the collection. Formal education is carried out in these units mainly through links with universities and through the organization of special educational activities (equivalent to museum lessons) for schools.
Źródło:
Ekonomia i Środowisko; 2018, 1; 121-131
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Różnorodność biologiczna Polski - jej stan, zagrożenia i prawno-organizacyjne aspekty ochrony
Biological diversity of Poland – the state, threats, legal and organizational aspects of protection
Autorzy:
Symonides, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/465204.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Komitet Prognoz Polska 2000 Plus PAN
Tematy:
różnorodność biologiczna
Polska
zagrożenia różnorodności biologicznej
prawno-organizacyjne aspekty ochrony różnorodności biologicznej
biodiversity
Polska
biological diversity threats
legal and organizational aspects of biodiversity conservation
Opis:
Polskę charakteryzują wybitne walory krajobrazowe i relatywnie większa różnorodność biologiczna niż pozostałe państwa europejskie. W przeciwieństwie do innych krajów Europy, krajobrazy naturalne lub do nich zbliżone, o wielkiej wartości przyrodniczej i niebagatelnych walorach estetycz-nych, przetrwały nie tylko w wysokich górach, ale spotykane są także na niżu, zwłaszcza we wschodniej i północnej części Polski, i to w stosunkowo dobrym stanie. Celem artykułu jest scharakteryzowanie różnych aspektów różnorodności biologicznej Polski. Stanowi to podstawę do dalszych rozważań na temat antropogenicznych zagrożeń oraz podstaw prawnych jej ochrony.
Poland is characterized by outstanding landscapes and relatively greater biodiversity than other European countries. In contrast to the rest of Europe, natural landscapes or close to them, of great natural and aesthetic value survived not only in the high mountains, but in the lowlands as well, especially in the eastern and northern part of the Poland. In addition they are in relatively good state. The purpose of this article is to characterize the different aspects of biodiversity in Poland. This is the basis for further reflection on the anthropogenic threats and legal aspects of its protection.
Źródło:
Przyszłość. Świat-Europa-Polska; 2014, 2/30/; 12-35
1895-0949
Pojawia się w:
Przyszłość. Świat-Europa-Polska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The medicinal wood-decay species Laricifomes officinalis in the Alpe Veglia–Alpe Devero Natural Park (Italian Alps): spatial analysis and growth tests of pure cultures
Autorzy:
Girometta, Carolina Elena
Rovelli, Laura
Bracco, Francesco
Brescia, Francesca
Baiguera, Rebecca Michela
Chiatante, Gianpasquale
Picco, Anna Maria
Savino, Elena
Powiązania:
https://bibliotekanauki.pl/articles/11543426.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
wood decay fungi
Laricifomes officinalis
Larix decidua
biodiversity conservation
larch
spatial analysis
growth test
pure culture
natural park
Alps Mountains
Italy
Opis:
Laricifomes officinalis is a wood-decay fungus that is closely associated with old individuals of Larix decidua. In the twentieth century, L. officinalis was over-harvested because of its medicinal properties; consequently, it has become very rare or almost extinct in the Alps. In this study, we investigated the population of L. officinalis in the Alpe Veglia–Alpe Devero Natural Park (Val d’Ossola, Italy) to assess a preliminary conservation strategy. Population consistency was estimated using field mapping, and spatial analysis was performed on host trees based on topographical and environmental variables. Mycelia were isolated from harvested basidiomata, and strain identity confirmed by molecular analysis of the ITS region. All isolated strains were tested for growth in Petri dishes containing different standard media to determine which strains had the highest growth rates; the fastest growing strains may be selected for future studies and applications. Compared to the control strains from Val Malenco and Parco Nazionale del Gran Paradiso, all strains from Alpe Veglia–Alpe Devero Natural Park had lower growth rates. There was no significant difference between the growth rates of strains from Alpe Veglia and those from Alpe Devero. The results suggest that the population consistency of L. officinalis in the Alpe Veglia–Alpe Devero Natural Park is related to two main factors: habitat preservation and harvesting prohibition. These results confirm the need to protect L. officinalis both inside and outside natural reserves, despite the apparent increase in local populations.
Źródło:
Acta Mycologica; 2021, 56, 1; 569
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alternatywne koszty ustanowienia rezerwatów przyrody w lasach na przykładzie wybranych nadleśnictw województwa mazowieckiego
Opportunity costs of establishing nature reserves in selected forest districts of the Mazowieckie Province
Autorzy:
Kaliszewski, A.
Młynarski, W.
Powiązania:
https://bibliotekanauki.pl/articles/1315962.pdf
Data publikacji:
2014
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
woj.mazowieckie
ochrona przyrody
nadlesnictwa
Nadlesnictwo Celestynow
Nadlesnictwo Plonsk
Nadlesnictwo Zwolen
Nadlesnictwo Grojec
rezerwaty przyrody
ustanowienie rezerwatu
koszty straconych korzysci
utrata miejsc pracy
zmniejszenie przychodow
biodiversity conservation
public forests
local labour market
tax concessions
Opis:
The article presents the results of research on the opportunity costs related to establishing nature reserves in four randomly-selected forest districts located in the Mazowieckie Province: Celestynów, Grójec, P³oñsk and Zwoleń. Our analysis included calculation of profits forgone by forest districts due to the cessation of timber harvesting in nature reserves and an estimation of work places lost as a result of introduction of new limitations, as well as the expenses incurred by municipalities related to their establishment of forest tax concessions in nature reserves. The establishment of nature reserves incurred losses related to timber harvest of about 246 thousand m3 during the period of 10 years, which is equivalent to between 4.1% and 19.8% of the planned timber harvest stated in the forest management plans of the studied forest districts. Total opportunity costs were equal to 25.5-27.2 million PLN during these 10 years or 1502-1605 PLN/ha of nature reserve annually. Annual opportunity costs calculated per unit of forest area were equal to 56-60 PLN/ha. The estimated loss in work places was 98.8 working days annually per 1000 ha of forest area in forest districts. Total expenses incurred by municipalities related to establishment of forest tax concessions in nature reserves reached about 18.1 thousand PLN in 2011. The research results show that the economic and social costs of nature protection activities are concentrated in their places of their origin. Those costs are felt the most by the owners of the affected forests and local communities. We recommend that possibilities are explored for the introduction of instruments to allow the mitigation of negative effects resulting from restrictions in forest use. Restructuring of forest and nature protection policy, to take into account the interests of all stakeholders would provide an improved model for the use of these forests.
Źródło:
Leśne Prace Badawcze; 2014, 75, 1; 89-99
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Eco Tourism as a Way for Biodiversity Conservation: A Study Based on Trincomalee District in Sri Lanka
Autorzy:
Kaleel, M. I. M.
Powiązania:
https://bibliotekanauki.pl/articles/1114011.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
biodiversity
conservation
ecotourism
environment
nature
Opis:
Conserving biodiversity is a major necessity, as human interference causes loss of this. Tourism is not exempt from this. Still, ecotourism, a sub-component of the field of sustainable tourism, has more positive effects. The primary objective of this work is to ascertain the condition of ecotourism in the study area. The secondary objectives are to identify the challenges and progress of biodiversity by way of ecotourist activity, and to suggest solutions to promote best outcome and to overcome the challenges of ecotourism. China Bay (Marble Beach), Kanniya Hot Wells, Nilaveli Beach, Pullmottai Beach (Arisimalai), Lanka Patina and Trincomalee Beach are renown places for tourism in Trincomalee District. The condition of the ecotourism industry in Trincomalee District was identified by means of questionnaire survey and direct observation. Our work shows that the coastal areas are particularly rich in biodiversity and in offering scenic values. Many environmental challenges were identified and remedial measures, suggested.
Źródło:
World News of Natural Sciences; 2017, 12; 82-91
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alternatywne koszty ustanowienia stref ochrony gatunkowej ptaków w lasach na przykładzie wybranych nadleśnictw
Opportunity costs of establishing bird protection zones in selected forest districts
Autorzy:
Kaliszewski, A.
Młynarski, W.
Powiązania:
https://bibliotekanauki.pl/articles/989768.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
ochrona przyrody
gniazda ptasie
strefa ochronna gniazd
ustanowienie strefy ochronnej
koszty alternatywne
koszty straconych korzysci
lasy gospodarcze
zaprzestanie uzytkowania
utrata miejsc pracy
zmniejszenie przychodow
Nadlesnictwo Grojec
Nadlesnictwo Zwolen
biodiversity conservation
public forests
local labour market
economic loss
Opis:
The article presents the results of research on the opportunity costs related to establishment of perennial bird protection zones in forests located in two randomly selected forest districts of the Mazowieckie Province: Grójec and Zwoleń (Regional Directorate of the State Forests in Radom). The analysis included calculation of profits lost by forest districts due to termination of timber harvest in bird protection zones and also estimation of work places lost as a result of introduction of new limitations (social costs). The analysis was conducted based on the assumption that currently protected tree stands within protection zones would have been managed in a regular manner, i.e. that pre−commercial and commercial thinning, as well as final cuttings would have taken place and that they would have been a source of income to the examined forest districts. Based on the characteristics of tree stands within protection zones derived from the forest management plans for the forest districts at stake, potential thinning and cutting volumes for a 10−year period as well as potential incomes from timber sale were determined. The calculated timber volume was also used for estimating labour intensity of timber harvesting and skidding. Establishment of perennial bird protection zones generated losses in timber harvest in the amount of about 24.6 thousand m³ during the period of 10 years, which equals to about 1.7% (Grójec) and 2.2% (Zwoleń) of planned timber harvest amounts stated in the forest management plans of the studied forest districts. Total opportunity costs were equal to 3478 thousand PLN during 10 years or 1313 PLN/ha of protection zone annually. Annual opportunity costs calculated per unit of forest area of the forest districts were equal to 11.56 PLN/ha. The estimated loss in work places was 0.85 full−time jobs annually per every 100 ha of perennial bird protection zones. Results show that economic and social costs of nature protection activities concentrate in places of their origin. Those costs are felt the most by owners of affected forests and local communities. Exploration and introduction of instruments allowing mitigation of negative effects resulting from restrictions in forest use are therefore recommended.
Źródło:
Sylwan; 2015, 159, 07; 558-564
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Activity of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services for biodiversity conservation
Działalność Międzyrządowej Platformy Naukowo-Politycznej na rzecz Różnorodności Biologicznej i Usług Ekosystemowych dla zachowania różnorodności biologicznej
Autorzy:
Ramanan, S. Suresh
Khapugin, Anatoliy A.
Powiązania:
https://bibliotekanauki.pl/articles/2179311.pdf
Data publikacji:
2017-12-31
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
biodiversity monitoring
ecological assessment
ecological policy
nature conservation
funding
Opis:
W artykule przedstawiono zwięzłe sprawozdanie dotyczące chronologii oraz działalności Międzyrządowej Platformy Polityki Naukowej w sprawie Różnorodności Biologicznej i Usług Ekosystemowych (IPBES). Organizacja ta przywiązuje szczególną wagę do globalnego stanu różnorodności biologicznej, trendów i aktywności politycznej. Artykuł prezentuje uogólniony obraz rozwoju i osiągnięć IPBES w trakcie jego istnienia. Raporty IPBES ze względu na swoje znaczenie są uznawane i aprobowane na całym świecie. Jednak rozpoznawalny sukces IPBES jest niweczony przez sytuację finansową IPBES. W efekcie istnieje stan, która prowadzi ostatecznie do wniosku, że zawsze następuje hamowanie finansowania wspólnego dobra.
Źródło:
Annales Universitatis Paedagogicae Cracoviensis Studia Naturae; 2017, 2; 170-175
2543-8832
2545-0999
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis Studia Naturae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Treatise on Dragonflies (Order: Odonata, Class: Insecta) of rice ecosystems in Eastern India
Autorzy:
Satpathi, C. R.
Powiązania:
https://bibliotekanauki.pl/articles/1178310.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Dragonfly
Nymph
biodiversity
conservation
index
rice
threat
weed
wings
Opis:
This study highlights the 75 species of dragonfly fauna associated with rice ecosystems in eastern India out of which 15 species were regular and rest were sporadic. From the general taxonomic point of view all the species were grouped under 5 families of under order Odonata. Comparing different body parts the double branching keys were prepared for easy identification of 15 common dragonfly species recorded in rice ecosystems of West Bengal. Each key begins with a couplet (a pair of alternative) and each of which leads to another couplet. Finally the reader reaches the specific identity of species. Free hand drawing of wings of the 50 dragonflies were also used for separate identification of these insect species. In addition to this, different studies were made on courtship and mating, egg laying habitats, nymphal development, longevity, flight capacity of dragonfly to make the study more interesting to the reader. The population build up of dragonfly, favors to certain altitude as well as availability of water which is reverse to the other group of insects. Three different localities were selected at 9.75 m (Chakdaha), 200 m (Cooch Behar) and 1250 m (Kalimpong) of which former two represent an unique physiographic ecological system in Eastern India characterized by extreme diversities of dragonfly inhabiting there. The studies on natural enemies of dragonfly along with their major threats indicated that about 2, 4 and 4 species were critically endangered, endangered and vulnerable in rice ecosystem of West Bengal. Dragonflies are very sensitive to changes in landscape and are reliable indicators of wetland health. Therefore the effective conservation of dragonfly depends entirely on conservation of their habitats. Different studies were made to estimate the role of dragonfly in integrated pest management of rice crop in West Bengal. An investigation was also carried out to find out the crop stage wise diversification of individual predator and found that dragonfly was more diverse during flowering to ripening stages of crop respectively. The values Simpson and Shanon diversity index showed that dragonflies are specific flowering to ripening stage of crop. Subsequently the value of Margalef index and Menhinick index also indicated that the aforesaid predators were more diverse in flowering stage of crop whereas it was least in vegetative stage of crop. From the Hill's diversity the number of abundant and most abundant species was calculated where maximum and minimum were obtained from dragonfly and staphylinid respectively. The studies on colonization and succession of major dragonfly taxa in the rice field indicated that it followed a uniform pattern in relation to growth stages as well different phases in the rice field. The studies on relative abundance of dragonfly in different ecosystems reflected that their population in fields could be conserved and enhanced through maintenance of rice weed flora on bund or allowing ratoon rice after the rice crop during fallow period. The fallow land has limited effect on incidence of insect predator in rice crop. The relative ranking chart of 50 important predators in rice ecosystem of West Bengal indicates that the insect belonging to Coleopteran (17) were top of the list whereas dragonfly was third (10). The validity of chart may increase over time and they will need to be updated periodically.
Źródło:
World Scientific News; 2017, 86, 2; 67-133
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł

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