Browsing by Author "Silvy, Nova J."
Now showing items 21-40 of 69
-
Steinbach, Donny W. (Texas A&M University. Libraries, 1988)The objectives of this study were to: (1) describe the various types of leasing enterprises in the Rio Grande Plains and Edwards Plateau resource regions of Texas used to market recreational ranch resources, (2) determine ...
-
Scrivner, Jerry Hill (Texas A&M University. Libraries, 1984)The objectives of this study were to: (1) determine which factors are contributing to the decline of the Angora goat industry in Texas, (2) determine the cost of predation to Angora goat ranchers at one specific site and ...
-
Hurst, Zachary Matthew (2012-02-14)I examined the effect of sugarcane plantations on small mammal communities at 3 sites in the Lowveld of Swaziland during the dry and wet seasons of 2008. I evaluated changes in species abundance and community parameters ...
-
Hunt, Howard Emery (Texas A&M University. Libraries, 1987)Habitat use patterns and food habits of whooping cranes (Grus americana) and sandhill cranes (Grus canadensis) were studied on the Aransas National Wildlife Refuge, Texas between November 1982 and April 1985. Five upland ...
-
King, Sammy L. (Texas A&M University. Libraries, 1994)I examined the effects of flooding regimes on bottomland hardwood (BLHW) succession by determining the effects of flooding on BLHW seed germination, seedling growth and survival, and mature tree stress and survival in a ...
-
Marcum, Heidi Ann (Texas A&M University, 2006-10-30)With rapidly disappearing natural areas due to development and fragmentation, public lands provide important habitat for birds. However, the increasing use of public lands for recreation may decrease the value of these ...
-
The effects of shinnery oak removal on lesser prairie chicken survival, movement, and reproduction Leonard, John Peter (2009-05-15)The lesser prairie chicken (Tympanuchus pallidicinctus; LPC) has declined in numbers since the late 1800s. Reasons for this decline have been attributed to habitat degradation (decreased forb and grass cover and increased ...
-
Hernandez, Saul (Texas A&M University, 2007-04-25)White-tailed deer (Odocoileus virginianus) populations in the United States have increased in recent years, particularly in urban and suburban landscapes where traditional measures of population control are difficult to ...
-
Parker, Israel David (2009-06-02)Urban development and habitat fragmentation threaten recovery and management of the endangered Florida Key deer (Odocoileus virginianus clavium). Urban development has reduced deer dispersal from their core habitat resulting ...
-
Dedrickson, Angela (2012-02-14)The Lower Keys marsh rabbit (Sylvilagus palustris hefneri, LKMR), 1 of 3 subspecies of Sylvilagus palustris, is endemic to the Lower Florida Keys. The LKMR is listed as an endangered species due to predation by feral and ...
-
Roberts, Clay Walton (Texas A&M University, 2006-08-16)Florida Key deer (Odocoileus virginianus clavium) were listed as endangered by the U.S. Fish and Wildlife Service (USFWS) in 1967. A variety of survey methods have been used in estimating deer density and/or changes in ...
-
Locke, Shawn Lee (2009-06-02)Rio Grande wild turkeys (Meleagris gallopavo intermedia) are a highly mobile, wide ranging, and secretive species located throughout the arid regions of Texas. As a result of declines in turkey abundance within the Edwards ...
-
Torres-Poche, Zaria (2017-07-20)The largest tropical lake in Mexico, Lake Chapala, is a major fishery and a recipient of many contaminants (industrial and agricultural) via the Lerma River. The objectives were to evaluate concentrations of mercury (Hg), ...
-
Porter, Brad Alan (Texas A&M University, 2007-09-17)Historically, the collared peccary (Tayassu tajacu) occurred throughout much of Texas including the northern portion of the Texas Hill Country. Remaining peccary populations were extirpated in much of their former range ...
-
Braden, Anthony Wayne (Texas A&M University, 2006-10-30)Deer-vehicle collisions (DVCs) along a 5.6-km segment of United States Highway 1 (US 1) on Big Pine Key (BPK), Florida responsible for approximately 26% of endangered Florida Key deer (Odocoileus virginianus clavium) annual ...
-
Extensive investigation of reticuloendotheliosis virus in the endangered Attwater's prairie chicken Bohls, Ryan Lanier (Texas A&M University, 2007-09-17)Reticuloendotheliosis virus (REV) is a retrovirus that causes a neoplastic disease in a wide range of avian hosts including chickens, turkeys, and ducks. In 1993, REV was detected in the endangered Attwater's prairie ...
-
Strand, Michael Ray (Texas A&M University. Libraries, 1985)When a parasitoid forages for hosts, it must decide (1) where to search for and how to recognize hosts (2) which hosts to parasitize, (3) what sex ratio to produce and (4) how many eggs to lay. Various aspects of these ...
-
Peterson, Markus John (Texas A&M University. Libraries, 1994)Factors limiting Attwater's prairie chicken (Tympanuchus cupido attwateri) numbers were investigated from 1991-93. The objectives of this study were to: (1) test accepted, yet untested, hypotheses regarding the influence ...
-
Hess, Marc Frederick (Texas A&M University, 2004-09-30)The introduction of pen-reared Attwater's prairie-chickens (APC, Tympanuchus cupido attwateri) into the wild to supplement existing populations has met with marginal success. Flight characteristics, predator avoidance ...
-
Perotto Baldiviezo, Humberto Lauro (Texas A&M University, 2006-10-30)Rio Grande wild turkey (RGWT) abundance in portions of the Edwards Plateau has declined steadily since the late 1970s as compared to other areas of the Edwards Plateau where populations have exhibited no trend. The reasons ...