Results 81 to 90 of about 57,763 (310)

Analysis of the Natura 2000 Networks in Sweden and Spain [PDF]

open access: yes, 2010
In this paper the main differences between Natura 2000 Network in Sweden and Spain are analyzed. Comparing different documents at different levels: European, national and regional, the author aims to understand which strategies have been taken in both ...
Fuente Tomai, Pilar
core   +1 more source

Diatom‐Inspired 1D Immobile Robots Capable of 2D Collective Mobility

open access: yesAdvanced Intelligent Systems, EarlyView.
This study presents a diatom‐inspired robotic system that explores group coordination through limited physical interactions. The researchers tune groups of Barbots, simple robotic agents that possess neither individual mobility nor explicit communication capabilities, to achieve complex and adaptive collaboration based on environmental light.
Tianyi Hu   +4 more
wiley   +1 more source

Comparing visible and less visible costs of the Habitats Directive: The case of hamster conservation in Germany [PDF]

open access: yes
The EU Habitats Directive provides in Annexes II and IV a list of species needing to be conserved. Member States have implemented a variety of conservation measures in response to this obligation.
Eppink, Florian V., Wätzold, Frank
core  

Uncovering renewable energy policy impact channels on land values, the local farm structure, and farmland heterogeneity

open access: yesAmerican 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

Macromia splendens [PDF]

open access: yes
Conservation status and Spanish distribution of protected invertebrate species included in the Habitats Directive (European Union Directive 92/43/CEE) is evaluated.
Azpilicueta Amorín, Mónica   +5 more
core  

Guidelines for assessing favourable conservation status of Natura 2000 species and habitat types in Bulgaria [PDF]

open access: yes, 2009
This executive summary describes the methodology for assessing the favourable conservation status of N2000 habitats and species on site level in Bulgaria and gives guidelines for its application.
Dimova, D.   +5 more
core   +1 more source

Evaluating the African arid corridor hypothesis: A meta‐analysis including the phylogenetic and biogeographical history of Sesamothamnus

open access: yesAmerican 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

Oxygastra curtisii [PDF]

open access: yes
Conservation status and Spanish distribution of protected invertebrate species included in the Habitats Directive (European Union Directive 92/43/CEE) is evaluated.
Azpilicueta Amorín, Mónica   +4 more
core  

The nature of habitat [PDF]

open access: yes, 2007
The protection of significant habitats of indigenous fauna is a matter recognised by the Resource Management Act 1991 as one of national importance. The aim of this article is to investigate the nature of the term habitat as applied by the RMA.
Wallace, Philippa Jane
core   +1 more source

Ecological niche modeling reveals habitat differentiation and climatic vulnerability in two imperiled, sympatric southern Appalachian carnivorous plants

open access: yesAmerican 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

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