Results 91 to 100 of about 59,240 (208)

Mortality of grassland birds increases with transmission lines

open access: yesAvian Conservation and Ecology, 2022
Electrical transmission line development has been expanding globally by 5% per year, leading to increases in avian collisions with lines. Canadian estimates of transmission line collision mortalities range from 2.5 to 25.6 million birds per year, with ...
Caroline J. Martin   +2 more
doaj  

The effect of organic farming systems on aspects of the environment - desk study OF0123 [PDF]

open access: yes, 1995
Key Conclusions 1. The crop rotations of organic systems maintain landscape diversity and biodiversity whilst the maintenance of field boundaries on organic units produces benefits to a wide range of organisms. 2. Inorganic nitrogen fertilisation and
Bailey, Steven   +5 more
core  

Multi-functional roles of grassland in organic farming systems [PDF]

open access: yes, 2002
This report was presented at the UK Organic Research 2002 Conference. Grassland supports commodity production and maintenance of soil fertility, as well as environmental, economic and social functions beyond the farm.
Hopkins, Alan, Morris, Carol
core  

Agro-pastoral and agro-ecological baseline survey. Methodology : short term consultancy 10-30 March 2002 [PDF]

open access: yes, 2002
Mission pour la définition d'une méthode de prise d'information et de suivi concernant l'environnement dans les régions où est appliquée la lutte contre les tsé-tsé et les trypanosomoses animales et humaines.
Maitima, Joseph   +2 more
core  

Resilience of New Zealand indigenous forest fragments to impacts of livestock and pest mammals [PDF]

open access: yes, 2011
A number of factors have combined to diminish ecosystem integrity in New Zealand indigenous lowland forest fragments surrounded by intensively grazed pasture.
Barker, Gary M.   +7 more
core  

The birds of the Bush Heritage, Cravens Peak Reserve [PDF]

open access: yes, 2009
Bird communities were studied in two subregional areas of Cravens Peak, the Toko Plains and the Simpson-Strzelecki Dunefields, using the point counts method. A total of 42 2ha 20 minute surveys, 46 five-hundred metre radius area surveys and 170 5km drive
Wells, Dez
core   +1 more source

Potential impacts on important bird habitats in Eiderstedt (Schleswig-Holstein) caused by agricultural land use changes [PDF]

open access: yes
Agricultural land on the Eiderstedt peninsula in Schleswig-Holstein (Germany) is traditionally dominated by extensively used grassland. These grassland areas are home to many (endangered) bird species, making Eiderstedt one of the prime bird habitats at ...
Christine Schleupner, P. Michael Link
core  

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