California Range Brushlands and Browse Plants
نویسندگان
چکیده
منابع مشابه
Poisonous native range plants
Plant poisoning is a common problem throughout North America, causing significant economic losses not only through death loss, but through the costs associated with reproductive loss, poor growth rates, herbicides, etc. Through good pasture management, recognizing toxic plants, and by understanding the effects of toxins on animals, plant poisoning can be largely avoided. Plants contain a variet...
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United States Department of Agriculture, Forest Service, Pacific Southwest Research Station, Redwood Sciences Laboratory, 1700 Bayview Dr., Arcata, CA 95521, USA (WJZ, RLT, FVS) United State Department of Agriculture, Forest Service, Six Rivers National Forest, 1330 Bayshore Way, Eureka, CA 95501-3438, USA (GAS, KNS) Department of Environmental Science, Policy and Management, University of Cali...
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Metadata that describe characteristics of geographic datasets are used for discovering potential datasets and evaluating their suitability for intended purposes (Guptil 1999, Taylor 2004). Discovery is based on search functions relying on metadata about thematic, spatial, and temporal extents of datasets (Beard and Sharma, 1997) and well developed in directories, clearing houses, and digital li...
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Linking dispersal and range expansion of invasive species has long challenged theoretical and quantitative ecologists. Subtle differences in dispersal can yield large differences in geographic spread, with speeds ranging from constant to rapidly increasing. We developed a stage-structured integrodifference equation (IDE) model of the California sea otter range expansion that occurred between 19...
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Africanized honey bees entered California in 1994 but few accounts of their northward expansion or their frequency relative to European honey bees have been published. We used mitochondrial markers and morphometric analyses to determine the prevalence of Africanized honeybees in San Diego County and their current northward progress in California west of the Sierra Nevada crest. The northernmost...
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ژورنال
عنوان ژورنال: Journal of Range Management
سال: 1964
ISSN: 0022-409X
DOI: 10.2307/3895780