منابع مشابه
Turkey, Quail, and Predators in the Rolling Plains, Texas
Predators like coyote (Canis latrans), bobcat (Felis rufus), skunks (Mephitis spp.), and raccoons (Procyon lotor) do kill substantial numbers of turkey (Meleagris gallopavo) and quail (Colinus virginianus). This leads one to ask whether there are fewer birds to harvest because of this predation and whether predator control could increase harvestable stocks. Predator control can be effective on ...
متن کاملEconomics of Root-Knot Nematode Control on Cotton by DBCP Fumigant on the Texas High Plains.
21 -+ 1 C with a 16-hr photoperiod for 9-14 days. Duration of a test was from start of seed preparation to termination. Seedling growth was determined by fresh weight of roots (blotted to remove moisture), length of tap root, length of longest lateral root, and total number of lateral roots. An estimate of nematode penetration was made by determining the number of specimens which emerged f r o ...
متن کاملControls on the regional-scale salinization of the Ogallala aquifer, Southern High Plains, Texas, USA
An extensive saline plume (>250 km) within the regionally important uncon®ned aquifer in the Neogene Ogallala Formation overlies the Panhandle oil and gas ®eld in the Southern High Plains, Texas, USA. Relative to upgradient Ogallala water, the plume waters have dO (ÿ6.7 to ÿ8.8-) and dD (ÿ42 to ÿ88-) values that tend to be depleted and have higher Cl (>150 mg/l) and SO4 (>75 mg/l) concentration...
متن کاملTrends in Playa Inundation and Water Storage in the Ogallala Aquifer on the Texas High Plains
The Ogallala Aquifer is an important source of irrigation water on the Texas High plains; however, significant decreases in saturated thickness threaten its future use for irrigation. A better understanding of the roles of playas, ephemeral surface ponds, in aquifer recharge is needed to establish levels of withdrawals that will meet either established desired future conditions or sustainabilit...
متن کاملSurvival of the Red Imported Fire Ant (Hymenoptera: Formicidae) on the Texas High Plains
Environ. Entomol. 21(5): W-Y68 (1992) ABSTRACT An isolated population of the red imported fire ant, Solenopsis invictu Buren, was discovered in Lubbock, TX, during August 1985. This find represented the northwesternmost known population in North America, and it had survived since at least 1983. Preceding the 1985-1986 winter, 207 colonies were located and marked, and 85.4% of the colonies survi...
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ژورنال
عنوان ژورنال: Science
سال: 1888
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-12.302.240-a