Results 91 to 100 of about 29,712 (240)
An assessment of the impact of water impoundment and diversion structures on vegetation in Southern Arizona [PDF]
High-altitude color infrared photography was used to survey existing conditions, both upstream and downstream, from nineteen diversion structures in Southern Arizona to determine their effect upon vegetation health, vigor, and cover.
Clark, R. B., Conn, J. S., Mouat, D. A.
core +1 more source
Functional significance may underlie the taxonomic utility of single amino acid substitutions in conserved proteins [PDF]
, 2010 We hypothesized that some amino acid substitutions in conserved proteins that are strongly fixed by critical functional roles would show lineage-specific distributions.
A Rokas +31 more
core +2 more sources
Mesquite pod meal in elephant grass silages - doi: 10.4025/actascianimsci.v35i3.12506
Acta Scientiarum: Animal Sciences, 2013 This study evaluated the chemical composition and in vitro dry matter digestibility (IVDMD) of elephant grass silages at different growth stages (70, 90 and 110 days), with the addition (0, 5, 10 and 15%, on a fresh matter basis) of mesquite pod meal.
Aníbal Coutinho do Rêgo +5 more
doaj +1 more source
ECONOMIC FEASIBILITY OF USING BRUSH CONTROL TO ENHANCE OFF-SITE WATER YIELD [PDF]
A feasibility study of brush for off-site water yield was undertaken in 1998 on the North Concho River near San Angelo, Texas. Subsequently, studies were conducted on eight additional Texas watersheds.
Bach, Joel P., Conner, J. Richard
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Evolution of sociality in Anelosimus Spiders [PDF]
, 2019 Most spiders are solitary and aggressive towards cohorts, but some have been found to live in groups and forage communally, even sharing in brood care. The benefits of group living outweigh the costs of inbreeding for these spiders, but how sociality has
Cotter, Adelaide Speedie
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Revista de Biología Tropical, 2012 Prosopis laevigata and Mimosa biuncifera are frequently found in arid and semiarid shrublands, but scarce information is available about their influence on plant community structure and soil fertility. We compared plant community structure, diversity and
Rosalva García-Sánchez +5 more
doaj
Journal of Field OrnithologyWoody vegetation continues to encroach into grasslands in many regions of the world. It often leads to habitat loss for grassland birds. Habitat loss is one reason for the ongoing declines in abundance of many bird species that are grassland obligates ...
Joseph L Plappert +3 more
doaj +1 more source
Acta Scientiarum: Animal Sciences, 2012 This study aimed to evaluate the ingestive behavior of sheep fed increasing levels of mesquite pod meal (0, 15, 30 and 45% in total dry matter diet), replacing grass silage elephant.
Taiala Cristina de Jesus Pereira +5 more
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Palinspastic reconstruction of southeastern California and southwestern Arizona for the middle Miocene [PDF]
A paleogeographic reconstruction of southeastern California and southwestern Arizona at 10 Ma was made based on available geologic and geophysical data.
Richard, Stephen M.
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Mesquite (Prosopis juliflora): Livestock Grazing, Its Toxicity and Management
Journal of Bioresource Management, 2015 Prospis juliflora is an invasive tree native to Northern South America, Central America, and the Caribbean. It has been used as a folk remedy for catarrh, cold, diarrhea, dysentery, excrescences, flu, hoarseness, inflammation, measles, sore throat, and ...
Kainaat William, Laila jafri
doaj +1 more source