Comparison Of Fine Scale Vegetative Parameters At Active And Inactive Gulf Coast Kangaroo Rat Burrow Sites

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Comparison of Fine Scale Vegetative Parameters at Active and Inactive Gulf Coast Kangaroo Rat Burrow Sites

Author : Meagan Marie Bell
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (15 download)

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Book Synopsis Comparison of Fine Scale Vegetative Parameters at Active and Inactive Gulf Coast Kangaroo Rat Burrow Sites by : Meagan Marie Bell

Download or read book Comparison of Fine Scale Vegetative Parameters at Active and Inactive Gulf Coast Kangaroo Rat Burrow Sites written by Meagan Marie Bell and published by . This book was released on 2017 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Gulf Coast kangaroo rat (Dipodomys compactus) is an endemic Texas species belonging to the family Heteromyidae. Many heteromyid species, especially kangaroo rats, are highly specialized nocturnal granivorous rodents with external fur lined cheek pouches, bipedal cursorial locomotion, and adaptations for arid and desert conditions. Despite being one of six Texas endemic mammals, few studies have been conducted on habitat requirements, movement, and basic ecology of the Gulf Coast kangaroo rat with no long-term research. From April 2016 to March 2017, I have seasonally monitored burrowing activity of Gulf Coast kangaroo rats and recorded vegetative parameters at 63 randomly selected sites on a working cattle and wildlife ranch located in Guadalupe County, Texas. Sites with active burrows or a history of occupancy were monitored monthly. Within a 10-m radius plot at each site and using the Daubenmire frame cover estimate technique, I recorded percent cover of the following cover classes: bare ground, standing dead vegetation, litter, living grass, and living forbs. Additionally, I identified to the lowest taxonomic level the dominant live green grass and forb species in each Daubenmire frame and recorded the height of the tallest live grass, live forb, and standing dead vegetation. Using a spherical densitometer, I determined the percent woody canopy coverage at each Daubenmire frame. Twenty-two of 63 sites were occupied. Using Nested ANOVA, I found significantly greater cover of litter, taller standing dead, and taller grass (p

Evaluation of Population Density and Characterization of Suitable Habitat for the Gulf-coast Kangaroo Rat (Dipodomys Compactus)

Author : Sean M. Rissel
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.:/5 (786 download)

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Book Synopsis Evaluation of Population Density and Characterization of Suitable Habitat for the Gulf-coast Kangaroo Rat (Dipodomys Compactus) by : Sean M. Rissel

Download or read book Evaluation of Population Density and Characterization of Suitable Habitat for the Gulf-coast Kangaroo Rat (Dipodomys Compactus) written by Sean M. Rissel and published by . This book was released on 2011 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Gulf-coast kangaroo rat (Dipodomys compactus) is characteristic of the arid ecosystems of South Texas and the barrier islands. It is listed by Texas Parks and Wildlife Department as a species of concern and is the only member of the family Heteromyidae found on Mustang Island, North and South Padre islands, Texas, and the barrier islands of Tamaulipas, Mexico. I conducted my study at Padre Island National Seashore, to investigate this poorly understood species. I estimated population density and distribution, characterized burrow microhabitat, and used Geographic Information Systems (GIS) to compare transects with different kangaroo rat densities. Live-trapping using mark-recapture methodology was conducted for two periods between April 2010 and October 2010 along 12 transects. A variety of microhabitat characteristics of burrows were measured on active burrows. Trap success for the entire sampling period was 5%, but more individuals were caught during the spring sampling period than the fall sampling period. Using the Lincoln-Peterson index, I estimated a population density of 3.6 individuals per hectare. Active burrows differed significantly in slope, type of vegetative cover, and percent vegetative cover compared to paired random locations. Burrows were found in areas with a higher slope and less vegetative cover. Low trap success and coarse scale ecogeographical layers made development of a habitat suitability model difficult. A more intensive study over a longer time frame will be essential to effectively delineate habitat and predict population sizes--Abstract.

Habitat Availability Assessment for the Gulf Coast Kangaroo Rat (Dipodomys Compactus) in South-central Texas

Author : Laura M Bliss
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Habitat Availability Assessment for the Gulf Coast Kangaroo Rat (Dipodomys Compactus) in South-central Texas by : Laura M Bliss

Download or read book Habitat Availability Assessment for the Gulf Coast Kangaroo Rat (Dipodomys Compactus) in South-central Texas written by Laura M Bliss and published by . This book was released on 2016 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the human population increases worldwide, urbanization, habitat destruction, and habitat modification also increase. Recently the urbanization rate in Central Texas has become one of the highest in the nation. The consequential loss of natural habitat could jeopardize native wildlife species that are already somewhat limited in their distribution. Based on specialized life-history traits that limit large-scale mobility, kangaroo rats (Dipodomys spp.) have been found to be especially sensitive to urbanization-induced habitat modification and fragmentation. Dipodomys compactus is one of five kangaroo rat species found in Texas; this species has narrow, specific habitat requirements. Using a geographic information system (GIS)-based habitat suitability model, I determined that due to isolation among suitable habitat patches, actual D. compactus range in south-central Texas is highly fragmented, and the particular population in south-central Texas may be more isolated than currently thought. The assessment strategy of GIS habitat mapping can be broadly applied to other vulnerable species with similarly narrow habitat parameters to predict current and future management requirements.

Habitat Assessment of an Inland Population of the Gulf Coast Kangaroo Rat (Dipodomys Compactus)

Author : Jennifer P. Oakley
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (829 download)

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Book Synopsis Habitat Assessment of an Inland Population of the Gulf Coast Kangaroo Rat (Dipodomys Compactus) by : Jennifer P. Oakley

Download or read book Habitat Assessment of an Inland Population of the Gulf Coast Kangaroo Rat (Dipodomys Compactus) written by Jennifer P. Oakley and published by . This book was released on 2012 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: I conducted a habitat assessment on an inland population of the Gulf Coast kangaroo rat (Dipodomys compactus) located in Guadalupe County, Texas. Previous research on the Padre Island population of the Gulf Coast kangaroo rat has shown the species to inhabit open areas with deep sand and little vegetation, essentially barren sand dunes. However, this distinct habitat type does not occur inland and yet the species is found in certain areas of inland south Texas. The goal of my study was to determine if the northernmost known population of D. compactus retains the species affinity for deep sparsely-vegetated sand habitat. My study site was the Diamond Half Ranch consisting of approximately 2303.3 ha, located 16 km south of Seguin, Texas. In order to assess the habitat associations of this inland Gulf Coast kangaroo rat population, 57 points were semi-randomly located across the study site. At each of these points, I used the Daubenmire frame technique to record the percent of ground cover for grass, forbs, small woody plants, litter (dead herbaceous material), and bare substrate (soil, rock) within a 10 m circle centered on the point. I also recorded the average height of the tallest plants, the average tree canopy present at each point using a spherical densiometer, and the number of active (uncluttered opening, feces, tracks, etc) burrow openings. Data were collected in May 2011, August 2011, November 2011, and February 2012.

Determining Microhabitat Use by the Gulf Coast Kangaroo Rat (Dipodomys Compactus) Using Motion Sensitive Cameras and Estimating Population Density at Their Northern Distribution Limit

Download Determining Microhabitat Use by the Gulf Coast Kangaroo Rat (Dipodomys Compactus) Using Motion Sensitive Cameras and Estimating Population Density at Their Northern Distribution Limit PDF Online Free

Author : Douglas W. Phillips
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (832 download)

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Book Synopsis Determining Microhabitat Use by the Gulf Coast Kangaroo Rat (Dipodomys Compactus) Using Motion Sensitive Cameras and Estimating Population Density at Their Northern Distribution Limit by : Douglas W. Phillips

Download or read book Determining Microhabitat Use by the Gulf Coast Kangaroo Rat (Dipodomys Compactus) Using Motion Sensitive Cameras and Estimating Population Density at Their Northern Distribution Limit written by Douglas W. Phillips and published by . This book was released on 2012 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Gulf Coast kangaroo rat (Dipodomys compactus) is a rarely studied species endemic to southern Texas. Throughout its range, it is intermittently distributed because of its presumed dependence on deep, sandy soils with sparse vegetation. I conducted my study in Guadalupe County, Texas, the northernmost limit of the species' distribution. I collected mark-recapture data during April, July, and September 2011 in order to estimate population density.

Morphological and Karyotypic Variation of the Gulf Coast Kangaroo Rat, Dipodomys Compactus (Rodentia: Heteromyidae)

Author : Elizabeth Hovey Smith
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (178 download)

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Book Synopsis Morphological and Karyotypic Variation of the Gulf Coast Kangaroo Rat, Dipodomys Compactus (Rodentia: Heteromyidae) by : Elizabeth Hovey Smith

Download or read book Morphological and Karyotypic Variation of the Gulf Coast Kangaroo Rat, Dipodomys Compactus (Rodentia: Heteromyidae) written by Elizabeth Hovey Smith and published by . This book was released on 1986 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rewilding Agricultural Landscapes

Author : H. Scott Butterfield
Publisher : Island Press
ISBN 13 : 1642831263
Total Pages : 290 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Rewilding Agricultural Landscapes by : H. Scott Butterfield

Download or read book Rewilding Agricultural Landscapes written by H. Scott Butterfield and published by Island Press. This book was released on 2021-04-08 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the world population grows, so does the demand for food, putting unprecedented pressure on agricultural lands. In many desert dryland regions, however, intensive cultivation is causing their productivity to decline precipitously. "Rewilding" the least productive of these landscapes offers a sensible way to reverse the damage, recover natural diversity, and ensure long-term sustainability of remaining farms and the communities they support. This accessibly written, groundbreaking contributed volume is the first to examine in detail what it would take to retire eligible farmland and restore functioning natural ecosystems. The lessons in Rewilding Agricultural Landscapes will be useful to conservation leaders, policymakers, groundwater agencies, and water managers looking for inspiration and practical advice for solving the complicated issues of agricultural sustainability and water management.

North American Rodents

Author : David J. Hafner
Publisher : IUCN
ISBN 13 : 9782831704630
Total Pages : 188 pages
Book Rating : 4.7/5 (46 download)

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Book Synopsis North American Rodents by : David J. Hafner

Download or read book North American Rodents written by David J. Hafner and published by IUCN. This book was released on 1998 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first comprehensive treatment of North American rodents of conservation concern. This action plan summarizes the rodent fauna of North America and provides available information on every rodent taxon that has been considered to be of conservation concern by state, provincial and private conservation agencies and regional experts. It is hoped that the survey provided in this action plan will serve as a common ground for all these parties in drawing up conservation strategies for rodents.

About Nutria and Their Control

Author : James Evans
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis About Nutria and Their Control by : James Evans

Download or read book About Nutria and Their Control written by James Evans and published by . This book was released on 1970 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ecological Regions of North America

Author :
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis Ecological Regions of North America by :

Download or read book Ecological Regions of North America written by and published by . This book was released on 1997 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume represents a first attempt at holistically classifying and mapping ecological regions across all three countries of the North American continent. A common analytical methodology is used to examine North American ecology at multiple scales, from large continental ecosystems to subdivisions of these that correlate more detailed physical and biological settings with human activities on two levels of successively smaller units. The volume begins with an overview of North America from an ecological perspective, concepts of ecological regionalization. This is followed by descriptions of the 15 broad ecological regions, including information on physical and biological setting and human activities. The final section presents case studies in applications of the ecological characterization methodology to environmental issues. The appendix includes a list of common and scientific names of selected species characteristic of the ecological regions.

Los Angeles Magazine

Author :
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4./5 ( download)

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Book Synopsis Los Angeles Magazine by :

Download or read book Los Angeles Magazine written by and published by . This book was released on 2003-11 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Los Angeles magazine is a regional magazine of national stature. Our combination of award-winning feature writing, investigative reporting, service journalism, and design covers the people, lifestyle, culture, entertainment, fashion, art and architecture, and news that define Southern California. Started in the spring of 1961, Los Angeles magazine has been addressing the needs and interests of our region for 48 years. The magazine continues to be the definitive resource for an affluent population that is intensely interested in a lifestyle that is uniquely Southern Californian.

Long-Term Studies of Vertebrate Communities

Author : Martin L. Cody
Publisher : Academic Press
ISBN 13 : 0080535623
Total Pages : 621 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Long-Term Studies of Vertebrate Communities by : Martin L. Cody

Download or read book Long-Term Studies of Vertebrate Communities written by Martin L. Cody and published by Academic Press. This book was released on 1996-10-24 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book synthesizes the ongoing long-term community ecology studies of fish, amphibians, reptiles, birds, and mammals. The studies have been conducted from deserts to rainforests as well as in terrestrial, freshwater, and marine habitats and provide valuable insight that can be obtained only through persistent, diligent, and year-after-year investigation. Long-Term Studies of Vertebrate Communities is ideal for faculty, researchers, graduate students, and undergraduates in vertebrate biology, ecology, and evolutionary biology, including ecology, natural history, and systematics. Provides unique perspectives of community stability and variation Details the influence of natural and other perturbations on community structure Includes synopses by well-known authors Presents results from a broad range of vertebrate taxa Studies were conducted at different latitudes and in different habitats

Multiple Species Inventory and Monitoring Technical Guide

Author : Patricia N. Manley
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis Multiple Species Inventory and Monitoring Technical Guide by : Patricia N. Manley

Download or read book Multiple Species Inventory and Monitoring Technical Guide written by Patricia N. Manley and published by . This book was released on 2006 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monitoring protocols are presented for: landbirds; raptors; small, medium and large mammals; bats; terrestrial amphibians and reptiles; vertebrates in aquatic ecosystems; plant species, and habitats.

California Grasslands

Author : Mark R. Stromberg
Publisher : Univ of California Press
ISBN 13 : 9780520252202
Total Pages : 416 pages
Book Rating : 4.2/5 (522 download)

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Book Synopsis California Grasslands by : Mark R. Stromberg

Download or read book California Grasslands written by Mark R. Stromberg and published by Univ of California Press. This book was released on 2007-12-03 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This highly synthetic and scholarly work brings together new and important scientific contributions by leading experts on a rich diversity of topics concerning the history, ecology, and conservation of California's endangered grasslands. The editors and authors have succeeded admirably in drawing from a great wealth of recent research to produce a widely accessible and compelling, state-of-the-art treatment of this fascinating subject. Anyone interested in Californian biodiversity or grassland ecosystems in general will find this book to be an invaluable resource and a major inspiration for further research, management, and restoration efforts."—Bruce G. Baldwin, W. L. Jepson Professor and Curator, UC Berkeley "Grasses and grasslands are among the most important elements of the California landscape. This is their book, embodying the kind of integrated view needed for all ecological communities in California. Approaches ranging across an incredibly broad spectrum -- paleontology and human history; basic science and practical management techniques; systematics, community ecology, physiology, and genetics; physical factors such as water, soil nutrients, atmospherics, and fire; biological factors such as competition, symbiosis, and grazing -- are nicely tied together due to careful editorial work. This is an indispensable reference for everyone interested in the California environment."—Brent Mishler, Director of the University & Jepson Herbaria and Professor of Integrative Biology, UC Berkeley "The structure and function of California grasslands have intrigued ecologists for decades. The editors of this volume have assembled a comprehensive set of reviews by a group of outstanding authors on the natural history, structure, management, and restoration of this economically and ecologically important ecosystem."—Scott L. Collins, Professor of Biology, University of New Mexico

Wildland Fire in Ecosystems

Author :
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Wildland Fire in Ecosystems by :

Download or read book Wildland Fire in Ecosystems written by and published by . This book was released on 1998 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Managing Cover Crops Profitably (3rd Ed. )

Author : Andy Clark
Publisher : DIANE Publishing
ISBN 13 : 1437903797
Total Pages : 248 pages
Book Rating : 4.4/5 (379 download)

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Book Synopsis Managing Cover Crops Profitably (3rd Ed. ) by : Andy Clark

Download or read book Managing Cover Crops Profitably (3rd Ed. ) written by Andy Clark and published by DIANE Publishing. This book was released on 2008-07 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cover crops slow erosion, improve soil, smother weeds, enhance nutrient and moisture availability, help control many pests and bring a host of other benefits to your farm. At the same time, they can reduce costs, increase profits and even create new sources of income. You¿ll reap dividends on your cover crop investments for years, since their benefits accumulate over the long term. This book will help you find which ones are right for you. Captures farmer and other research results from the past ten years. The authors verified the info. from the 2nd ed., added new results and updated farmer profiles and research data, and added 2 chap. Includes maps and charts, detailed narratives about individual cover crop species, and chap. about aspects of cover cropping.

Turning the Tide

Author : C. R. Veitch
Publisher : IUCN
ISBN 13 : 2831706823
Total Pages : 428 pages
Book Rating : 4.8/5 (317 download)

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Book Synopsis Turning the Tide by : C. R. Veitch

Download or read book Turning the Tide written by C. R. Veitch and published by IUCN. This book was released on 2002 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes papers and abstracts dealing with eradication of invasive species in Alaska, Australia, Baker Island, California, Christmas Island, Enderby and Rose Islands, Galapagos Islands, Hawaii, Howland Island, Japan, Jarvis Island, Laysan Island, Lord Howe Island, Mauritius, Mexico, Nauru, New Zealand, Northern Ireland, Northern Mariana Islands, Saint-Paul Island, Seychelles, West Indies.