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Field and greenhouse studies showed that maintenance of a few centimeters water depth, compared with complete drawdown from a falling water table, wil...
Read moreCO2 exchange rates of relatively undisturbed sods of Bouteloua gracilis (C4) and Agropyron smithii (C3) were investigated at 210, 780 and 1070 W/m2 vi...
Read moreCO2 exchange was measured in Bouteloua gracilis swards in the field. Rates of net photosynthesis as high as 65 mg CO2/dm2 h were observed under optimu...
Read moreThe breeding of red-winged blackbirds (Agelaius phoeniceus) was used in 4 flood-irrigated hay meadows in Wyoming as a model to study the effects of a ...
Read moreThe long-term effects of grass reseeding on the colonization of bulldozed ground by native species were investigated. Colonization of three bulldozed ...
Read moreAgropyron desertorum and A. spicatum [Elymus spicatus] were grown with Artemisia tridentata in field experiments near Logan during 1978-81. Plants of ...
Read moreGlobally, the conversion of natural forest into agricultural land and human settlement has altered avian diversity and structure often leading to func...
Read moreThe production of current season growth by Coleogyne ramosissima was determined by length measurement in Sept. when the twigs were dormant. Percentage...
Read moreThe colonization of suitable yet unoccupied habitat due to natural dispersal or human introduction can benefit recovery of threatened species. Predict...
Read moreBolivia's forest resources are of global importance, its main forest areas are located in subtropical and tropical regions. There is severe deforestat...
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