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Detection of high levels of pyrrolizidine-N-oxides in the endangered plant Cryptantha crassipes (Terlingua Creek cat's-eye) using HPLC-ESI-MS.
INTRODUCTION A previous investigation of pyrrolizidine alkaloids produced by nine species of Cryptantha identified at least two chemotypes within the genus. Other research has postulated thatExpand
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SELECTION OF ECOLOGICAL SITES BY PRONGHORN IN TRANS-PECOS REGION OF TEXAS
Abstract Rangeland managers use the ecological site concept to segment rangelands into discrete areas capable of supporting a particular suite of vegetation. Ecological site data are easilyExpand
Habitat Characteristics of Winter Roost Sites of Wild Turkeys in Trans-Pecos, Texas
Abstract Wild turkeys (Meleagris gallopavo) occur intermittently throughout Trans-Pecos, Texas. In the lower desert of the Trans-Pecos, turkeys are associated strongly with the limited riparianExpand
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