Results 91 to 100 of about 431,311 (201)

Predicting the distribution and abundance of bustards, storks, and harriers in Kenya using citizen science data

open access: yesFrontiers in Ecology and Evolution
Citizen science has the potential to advance scientific knowledge by producing large datasets from diverse landscapes. The Kenya Bird Map (KBM) has collected a large data set on Kenyan birds, yet it is largely untapped for scientific research. This study
Frank Juma Ong’ondo   +6 more
doaj   +1 more source

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  

Declining Birds in Grassland Ecosystems

open access: yes
This United States Geological Survey (USGS) publication discusses the grassland ecosystem with respect to declining bird species. This report is the effort of a number of agencies to develop a strategy for addressing grassland bird information needs ...

core  

Exposure of bird migration concentration areas to potential wind development is shown for (A) wetland birds, (C) riparian birds, (E) raptors, and (G) sparse grassland birds.

open access: yes, 2013
Exposure classes in each map are followed by the percent of the state occurring in that class. Uncertainty in exposure is represented by the standard deviation in exposure among the full and partial models for each bird group and is shown for (B) wetland
Wendy A. Estes-Zumpf (465917)   +5 more
core   +1 more source

THE EFFECT OF WILDLIFE MANAGEMENT TECHNIQUES ON GRASSLAND BIRDS IN CENTRAL VIRGINIA [PDF]

open access: yes, 1998
The purpose of this study was to examine the effects of wildlife management techniques on grassland bird species . Grassland birds have been declining in number for the last twenty-five years (Kershner and Bollinger 1996).
Rosenbaum, Eric Wayne
core   +1 more source

The effects of improvement of upland, marginal grasslands on breeding waders (charadriiformes) and invertebrates [PDF]

open access: yes, 1988
Between 1985 and 1987, ten areas of upland, marginal grassland were surveyed for breeding waders; eight areas west of the Pennines in the Eden Valley, Cumbria, and two East of the Pennines at Alston, Cumbria and Teesdale, Co. Durham.
Baines, David
core  

Influence of Wind Generators on Grassland-Breeding Birds [PDF]

open access: yes, 2007
As the Nation strives for energy independence, interest in renewable energy sources intensifies. Wind energy is one such source, and North Dakota, South Dakota, and Montana are ranked among the top five states for wind potential by the Department of ...
Johnson, Douglas H., Shaffer, Jill A.
core  

Effects of Prescribed Burns on Grassland Breeding Birds at Mississippi Sandhill Crane National Wildlife Refuge [PDF]

open access: yes, 2013
There has been a critical decline in grassland bird populations due to habitat fragmentation and deterioration, and suppression of natural fires. Alteration of the disturbance cycle may lead to changes in vegetation structure and thus habitat suitability
Ruffman, Elizabeth A
core  

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