نتایج جستجو برای: ecological requirements

تعداد نتایج: 301980  

Journal: :Geospatial health 2011
Richard A J Williams Xiang-Ming Xiao A Townsend Peterson

The highly pathogenic avian influenza strain H5N1 was first detected in Europe in 2005, and has since been documented continent-wide in wild birds and poultry. However, the relative roles of each host group in transmission remain contentious. Using recently developed tools for analysis of ecological niches and geographic distributions of species, we compared ecological niche requirements for H5...

Journal: :PLoS ONE 2007
Rebecca S. Levine A.Townsend Peterson Krista L. Yorita Darin Carroll Inger K. Damon Mary G. Reynolds

Monkeypox virus, a zoonotic member of the genus Orthopoxviridae, can cause a severe, smallpox-like illness in humans. Monkeypox virus is thought to be endemic to forested areas of western and Central Africa. Considerably more is known about human monkeypox disease occurrence than about natural sylvatic cycles of this virus in non-human animal hosts. We use human monkeypox case data from Africa ...

1998
Stephen E. Williams Jean-Marc Hero

Rainforest frogs are classi¢ed into nine ecological guilds based on features of reproduction, habitat use, temporal activity, microhabitat and body size. The largest ecological di¡erences are between the microhylid frogs and the rest of the frog species. Within the non-microhylids, there are two primary groups consisting of (i) regionally endemic rainforest specialists, and (ii) a more ecologic...

Journal: :desert 0
s. amini department of geography, najafabad branch, islamic azad university, najafabad, isfahan, iran a. gandomkar department of geography, najafabad branch, islamic azad university, najafabad, isfahan, iran m. bagheri bodaghabadi department of soil science, soil and water research institute (swri), karaj, iran and department of geography, najafabad branch, islamic azad university, najafabad, isfahan, iran

there are various methods and models for land evaluation. these methods are classified according to the number of used resources. the best resources capabilities or potentials and land use can be found by analyzing one of the main resources, in the lands close relations to ecologic resources exist. soil has a great potential for introducing the studied region specifications. hence, it challenge...

2013
Carmen Gabaldón Javier Montero-Pau Manuel Serra María José Carmona

Co-occurrence of cryptic species raises theoretically relevant questions regarding their coexistence and ecological similarity. Given their great morphological similitude and close phylogenetic relationship (i.e., niche retention), these species will have similar ecological requirements and are expected to have strong competitive interactions. This raises the problem of finding the mechanisms t...

Journal: :Journal of Agriculture and Ecology Research International 2023

Green gram (Vigna radiata L. Wilczek), also known as mung bean, is an important grain legume containing a high amount of digestible protein, amino acids, sugar, minerals, soluble dietary fibers, and vitamins. In Kenya, green production done mainly by smallholder farmers for food sale. The crop grown in arid semi-arid regions plays role towards achieving improved human nutrition health condition...

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