Non-breeding Ecology of Loggerhead Shrikes in an Intensive Agricultural Region PDF Download
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Author: Emily Rose Donahue Publisher: ISBN: Category : Loggerhead shrike Languages : en Pages : 92
Book Description
As intensive agriculture has transformed much of the landscape across central North America, many grassland species have had to learn to adjust these new, highly homogeneous habitats while facing steep population declines. The Loggerhead Shrike (Lanius ludovicianus; hereinafter shrike) is one such declining species that persists in these agricultural landscapes. However, we lack information on the sustainability of these populations, and shrike non-breeding ecology, as for most passerines, remains understudied. Specifically, little is known about non-breeding behavior, diet, survival, site fidelity, and habitat selection. If survival, space use, and habitat selection metrics differ between demographic groups within non-breeding populations also remains unknown. To fill these gaps, we conducted behavioral and diet surveys and banded and monitored shrikes in NE Arkansas from 2016-2019. Our efforts give insights into the foraging strategies and winter requirements of LOSH while investigating demographic partitioning and potential consequences in a partial migrant species.
Author: Emily Rose Donahue Publisher: ISBN: Category : Loggerhead shrike Languages : en Pages : 92
Book Description
As intensive agriculture has transformed much of the landscape across central North America, many grassland species have had to learn to adjust these new, highly homogeneous habitats while facing steep population declines. The Loggerhead Shrike (Lanius ludovicianus; hereinafter shrike) is one such declining species that persists in these agricultural landscapes. However, we lack information on the sustainability of these populations, and shrike non-breeding ecology, as for most passerines, remains understudied. Specifically, little is known about non-breeding behavior, diet, survival, site fidelity, and habitat selection. If survival, space use, and habitat selection metrics differ between demographic groups within non-breeding populations also remains unknown. To fill these gaps, we conducted behavioral and diet surveys and banded and monitored shrikes in NE Arkansas from 2016-2019. Our efforts give insights into the foraging strategies and winter requirements of LOSH while investigating demographic partitioning and potential consequences in a partial migrant species.
Author: Publisher: ISBN: Category : Ecology Languages : en Pages : 580
Book Description
Coverage: 1982- current; updated: monthly. This database covers current ecology research across a wide range of disciplines, reflecting recent advances in light of growing evidence regarding global environmental change and destruction. Major ares of subject coverage include: Algae/lichens, Animals, Annelids, Aquatic ecosystems, Arachnids, Arid zones, Birds, Brackish water, Bryophytes/pteridophytes, Coastal ecosystems, Conifers, Conservation, Control, Crustaceans, Ecosyst em studies, Fungi, Grasses, Grasslands, High altitude environments, Human ecology, Insects, Legumes, Mammals, Management, Microorganisms, Molluscs, Nematodes, Paleo-ecology, Plants, Pollution studies, Reptiles, River basins, Soil, TAiga/tundra, Terrestrial ecosystems, Vertebrates, Wetlands, Woodlands.
Author: Publisher: ISBN: Category : Agricultural conservation Languages : en Pages : 404
Book Description
"The bibliography is a guide to recent scientific literature covering effects of agricultural conservation practices on fish and wildlife. The citations listed here provide information on how conservation programs and practices designed to improve fish and wildlife habitat, as well as those intended for other purposes (e.g., water quality improvement), affect various aquatic and terrestrial fauna"--Abstract.
Author: Andrew F. Bennett Publisher: IUCN ISBN: 2831707447 Category : Corridors Languages : en Pages : 261
Book Description
The loss and fragmentation of natural habitats is one of the major issues in wildlife management and conservation. Habitat "corridors" are sometimes proposed as an important element within a conservation strategy. Examples are given of corridors both as pathways and as habitats in their own right. Includes detailed reviews of principles relevant to the design and management of corridors, their place in regional approaches to conservation planning, and recommendations for research and management.
Author: Jorge Fernandez-Cornejo Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Pesticide use has changed considerably over the past five decades. Rapid growth characterized the first 20 years, ending in 1981. The total quantity of pesticides applied to the 21 crops analyzed grew from 196 million pounds of pesticide active ingredients in 1960 to 632 million pounds in 1981. Improvements in the types and modes of action of active ingredients applied along with small annual fluctuations resulted in a slight downward trend in pesticide use to 516 million pounds in 2008. These changes were driven by economic factors that determined crop and input prices and were influenced by pest pressures, environmental and weather conditions, crop acreages, agricultural practices (including adoption of genetically engineered crops), access to land-grant extension personnel and crop consultants, the cost-effectiveness of pesticides and other practices in protecting crop yields and quality, technological innovations in pest management systems/practices, and environmental and health regulations. Emerging pest management policy issues include the development of glyphosate-resistant weed populations associated with the large increase in glyphosate use since the late 1990s, the development of Bt-resistant western corn rootworm in some areas, and the arrival of invasive or exotic pest species, such as soybean aphid and soybean rust, which can influence pesticide use patterns and the development of Integrated Pest Management programs.
Author: Emily Rose Donahue
Author: Emily Rose Donahue
Author: Paul Gary Novak
Author: David Richard Luukkonen
Author: Joyce A. Collins
Author: David R. Luukkonen
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Author: 
Author: Andrew F. Bennett
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Author: Jorge Fernandez-Cornejo