Results 111 to 120 of about 625,366 (304)
AnimalsThe study aimed to determine the influence of grassland management on the potential food base of the red-backed shrike Lanius collurio and the condition of chicks in the population inhabiting semi-natural grasslands in the Narew floodplain. The grassland
Paweł Knozowski +4 more
doaj +1 more source
American Journal of Agricultural Economics, EarlyView.Abstract Germany's Renewable Energy Sources Act (REA), enacted in 2000 and subsequently amended, subsidized national renewable energy production with fixed feed‐in tariffs for renewable energy sources (RE) from wind, solar, and biogas. Empirical studies suggest that the policy was creating windfall effects for landowners and attribute farmland use ...
Lars Isenhardt +6 more
wiley +1 more source
Open GeosciencesThe ecological and natural conditions in arid regions are very harsh, and water scarcity and land desertification are prominent features of these regions.
Wen Feng, Dong Wei, Xu Fei, Lu Chunyang
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Urban Habitat Quality Enhancement and Optimization under Ecological Network Constraints
LandThe process of urbanization leads to the rapid expansion of construction land and brings a series of ecological and environmental problems. The ecological network, as a linear landscape element, is of great significance to improve the quality of the ...
Yanhai Zhou, Jianwei Geng, Xingzhao Liu
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Landscape metrics and indices : an overview of their use in landscape research [PDF]
, 2009 The aim of this overview paper is to analyze the use of various landscape metrics and landscape indices for the characterization of landscape structure and various processes at both landscape and ecosystem level.
Antrop, Marc +4 more
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American Journal of Botany, EarlyView.Abstract Premise We examined the African arid corridor (AAC) disjunction pattern of vascular plants between northeastern and southwestern Africa in the context of geological and climatic events since the late Miocene. We developed a phylogenetic and biogeographical framework for the arid‐adapted genus Sesamothamnus (Pedaliaceae), a classic example of ...
John G. Zaborsky +6 more
wiley +1 more source
BiologyProtected areas are essential for the conservation of biodiversity. However, the rapid expansion of urbanization and the intensification of human activities have significantly disrupted environmental integrity, leading to a continuous deterioration in ...
Zhenjiang Song +4 more
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ISPRS International Journal of Geo-Information, 2018 Biodiversity is declining at an unprecedented rate with infrastructure development being one of the leading causes. New infrastructure, such as roads, provides new access and results in increased land clearing and wildlife hunting.
Roshan Sharma +4 more
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American Journal of Botany, EarlyView.Abstract Premise Understanding the habitat requirements of imperiled flora is critical for informing ex situ conservation practices, designing effective reintroduction strategies, and understanding how climate change will impact such species, especially in montane regions with high levels of environmental heterogeneity. In southern Appalachia, USA, the
Nicholas J. Chang +6 more
wiley +1 more source
Ecohydrological monitoring of the river habitat quality [PDF]
Geografie, 2004 Complex ecohydrological methods are of principal significance when evaluating the state of water ecosystems and they give also decisive information for their restoration. New approaches in the evaluation allow a broader view at the water ecosystem. The ecohydrological state of a stream is determined by a set of hydromorphological characteristics of the
openaire +1 more source