Results 61 to 70 of about 49,115 (211)

Pollinator-attracting semiochemicals of the wasp-flower Epipactis helleborine [PDF]

open access: yes, 2008
The orchid genus Epipactis is represented by 25 species in Europe (Richards 1982). Epipactis helleborine (L.) Crantz is the most common and widely distributed species of the genus (Wiefelspütz 1970), and is a prime example for wasp-flowers, because it is
Ayasse, Manfred   +3 more
core  

A Dormant Giant: Renewable Energy in the Soviet Union and Russia (1970s–Present)

open access: yesThe Russian Review, Volume 84, Issue 2, Page 267-282, April 2025.
Abstract In spring 1981 the Central Committee of the Soviet Communist Party officially sanctioned the start of an “alternative” renewable energy development program in the Soviet Union. Throughout the following decade, some two hundred organizations in the USSR were involved in research and development activities and installing test facilities for ...
Benjamin Beuerle
wiley   +1 more source

Diversity and distribution of spiders (Arachnida: Araneae) in dry ecosystems of North Rhine-Westphalia (Germany) [PDF]

open access: yes, 2010
The present study provides a robust data set for ecological planning and conservation of dry ecosystems in western Germany in general and North Rhine-Westphalia in particular.
Buchholz, Sascha   +1 more
core  

Effects of Roads and Traffic on Wildlife Populations and Landscape Function Road Ecology is Moving toward Larger Scales [PDF]

open access: yes, 2011
Road ecology has developed into a significant branch of ecology with steady growth in the number of refereed journal articles, books, conferences, symposia, and “best practice” guidelines being produced each year. The main objective of this special issue
Clevenger, A.P.   +3 more
core   +4 more sources

A translocation project using Russian capercaillie Tetrao urogallus to Thuringia, space and habitat use, population biology [PDF]

open access: yes, 2012
Kurzfassung der Dissertation an der Friedrich Schiller-Universität Jena, Biologisch-Pharmazeutische-Fakultät, Institut für Ökologie, betreut von Prof. Dr.
Unger, Christoph
core  

Functional diversity loss and taxonomic delays of European freshwater fish and North American breeding birds

open access: yesFunctional Ecology, Volume 38, Issue 8, Page 1726-1738, August 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Biodiversity is temporally dynamic, reflecting historical environmental conditions and influencing ecosystem stability. Colonisation and extinction dynamics frequently exhibit asynchronous patterns, resulting in net imbalances and thus to long‐lasting richness trends ...
Lucie Kuczynski   +2 more
wiley   +1 more source

Education for sustainable development and global citizenship. The challenge of the UN-decade [PDF]

open access: yes, 2005
This article informs about the achievements and conceptional insufficiencies of "education for sustainable development" on the politico-educational and school level in Great Britain.
Bourn, Douglas
core   +2 more sources

The spatial extent and the dispersal strategy of species shape the occupancy frequency distribution of stream insect assemblages

open access: yesEcology and Evolution, Volume 14, Issue 7, July 2024.
We examined the role of spatial extent of sampling and dispersal strategies of stream insect species in shaping occupancy frequency distribution (OFD) in near‐natural streams in the Pannon Ecoregion. With increasing spatial extent, the OFD pattern changed from bimodal to unimodal for active dispersers.
I. Szivák   +3 more
wiley   +1 more source

Generationsübergreifende Auswirkungen von Herbizid-Hormesis bei PSII-Target Site resistentem Chenopodium album L.

open access: yesJulius-Kühn-Archiv, 2020
Die Exposition von Pflanzen gegenüber moderatem Umweltstress ist eine wichtige Quelle für evolutionäre Veränderungen aufgrund von genetischen und phänotypischen Reaktionen.
Belz, Regina G.
doaj   +1 more source

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