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Author : Raymond R. Carthy
Publisher :
ISBN 13 :
Total Pages : 35 pages
Book Rating : 4.:/5 (625 download)
Download or read book Analysis of Gopher Tortoise Population Estimation Techniques written by Raymond R. Carthy and published by . This book was released on 2005 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William D. Meyer
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (367 download)
Download or read book Field Test of Gopher Tortoise (Gopherus Polyphemus) Population Estimation Techniques written by William D. Meyer and published by . This book was released on 2008 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Laura Christina Becht
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (492 download)
Download or read book Geospatial Analysis for Management of an Urban Population of the Gopher Tortoise (Gopherus Polyphemus) in North Florida written by Laura Christina Becht and published by . This book was released on 2001 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wendell A. Neal
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.3/5 (91 download)
Download or read book Gopher Tortoise, Gopherus Polyphemus, Recovery Plan written by Wendell A. Neal and published by . This book was released on 1990 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William D. Meyer
Publisher :
ISBN 13 :
Total Pages : 35 pages
Book Rating : 4.:/5 (145 download)
Download or read book Existing Geospatial Knowledge of Gopher Tortoise Population and Abundance written by William D. Meyer and published by . This book was released on 2007 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ray E. Ashton
Publisher : Rowman & Littlefield
ISBN 13 : 1561647810
Total Pages : 73 pages
Book Rating : 4.5/5 (616 download)
Download or read book The Gopher Tortoise written by Ray E. Ashton and published by Rowman & Littlefield. This book was released on 2014-08-28 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Full-color book for children ages 10 and up. Details the life of the gopher tortoise and how it is tied in with other animals. Also discusses how the encroachment into the gopher tortoise's habitat is affecting the environment and the tortoise.
Author : Kevin L. Erwin Consulting Ecologist, Inc
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (112 download)
Download or read book Southampton at Naples written by Kevin L. Erwin Consulting Ecologist, Inc and published by . This book was released on 1992 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Terry J. Doonan
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (172 download)
Download or read book A Demographic Study of an Isolated Population of the Gopher Tortoise, Gopherus Polyphemus ; and an Assessment of a Relocation Procedure for Tortoises written by Terry J. Doonan and published by . This book was released on 1986 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexander David Wright
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (979 download)
Download or read book Long-term Population Ecology and Movement Patterns of Gopher Tortoises (Gopherus Polyphemus) in Southwest Georgia written by Alexander David Wright and published by . This book was released on 2016 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Habitat loss, fragmentation, and degradation have led to an estimated 80% range-wide decline of gopher tortoise (Gopherus polyphemus) populations across the Southeastern Coastal Plain. Recently, the gopher tortoise was identified as a candidate for listing under the Endangered Species Act in the eastern part of its range. To support an adaptive landscape planning and decision framework for gopher tortoise conservation, I examined the population dynamics and movement patterns of four gopher tortoise populations on a large private reserve in southwestern Georgia, where tortoises were previously marked/recaptured from 1995-2000. It is critical to understand how tortoise populations vary in space and time at large spatial and temporal scales to protect a long-lived species, such as the gopher tortoise, into perpetuity. With further understanding of the long-term population ecology and movement patterns, we can better evaluate the roles of emigration and survival within populations to inform reserve design and decision analysis for the species' conservation.
Author : Heather Elizabeth Gaya
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (111 download)
Download or read book Enhancing Line-transect Distance Sampling to Increase Detectability of Gopher Tortoises (gopherus Polyphemus) in Population Surveys written by Heather Elizabeth Gaya and published by . This book was released on 2019 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gopher tortoise (Gopherus polyphemus) populations are declining range-wide and accurate abundance and demographic estimates are needed for proper management of the species. I developed a series of Bayesian hierarchical models to estimate the density and size demography of gopher tortoise populations while accounting for size bias against smaller individuals. In conjunction with the estimation models, I designed a survey to incorporate randomly located double-sampling blocks and systematic vegetation measurements into the standard distance sampling methodology to better account for sources of variability known to affect detection of all tortoises. My results suggest that my hierarchical models and double-sampling survey method may increase the accuracy and precision of both density point estimates and the underlying burrow size distribution estimates of gopher tortoise populations.
Author : Abigail V. Lavallin
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (11 download)
Download or read book An Investigation of Habitat Suitability Factors and Their Interactions for Predicting Gopher Tortoise Habitat written by Abigail V. Lavallin and published by . This book was released on 2018 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis evaluates the interaction between four habitat factors vital to the gopher tortoise in Florida. Federally and state listed as threatened throughout its entire range, the gopher tortoise is vital to protect, not only for itself individually but its burrows provide an essential habitat to over 300 species making it a key stone species within its environment. Historic habitat modeling methods are reviewed for the gopher tortoise to highlight the gap on this topic. This research expanded on the methods utilized by Baskaran et al. (2006) evaluating the soil, landcover, percentage of canopy cover and the depth to water table habitat factors key to the gopher tortoise. Statistical analysis was used to establish the interactions using a regression type analysis of the presence/absence data relative to the four factors. A probability map for the study site was then computed from the results. The Analysis of Deviance results for the statistical model with land cover type as an independent variable and a 3-way interaction term for the other factors found that the land cover term was significant as an independent variable and the 3-way interaction of the other 3 habitat factors was significant. This result demonstrates that there is in fact an interaction between the habitat factors influencing the location of gopher tortoises. This finding is significant in future gopher tortoise research as it indicates that habitat factors evaluated individually may not be as important as the interactions between the factors. By understanding the interactions between the habitat factors, the FWC can work alongside other agencies to increase and improve these key habitat areas preventing them from destruction. The map results also help pinpoint those fragmented potential habitat sites which are most at risk from full destruction and loss allowing agencies the work on protecting and expanding the suitable habitat landscape in order to enhance and restore the gopher tortoise populations residing there, helping them to maintain the gopher tortoises function as a keystone species
Author :
Publisher :
ISBN 13 :
Total Pages : 478 pages
Book Rating : 4.3/5 (91 download)
Download or read book General Technical Report RM. written by and published by . This book was released on 1988 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kristan Marie Nicole Raymond
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (38 download)
Download or read book Determining Habitat Preferences of the Juvenile Gopher Tortoise (Gopherus Polyphemus) Using Spatially Modeled Vegetation on a Central Florida Sandhill written by Kristan Marie Nicole Raymond and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Public and private conservation areas are becoming increasingly important to the continued survival of the gopher tortoise, making it imperative that land managers know the specific habitat requirements of juvenile gopher tortoises because recruitment is key to species persistence. Little is currently known about environmental factors that underlie hatchling and juvenile survival and recruitment in gopher tortoise populations. Because of the short duration and distance of juvenile tortoise foraging journeys, food availability, thermoregulatory conditions, and refugia near the burrow may considerably affect juvenile growth and survival. This two-year study of a central Florida sandhill examines the spatial relationship between juvenile gopher tortoise burrows and the surrounding habitat. Gopher tortoise burrow positions, activity, and width were recorded in four complete surveys of the 4-hectare study area. Coincident with three of the burrow surveys, vegetation and structural habitat characteristics, such as forb and canopy cover, were surveyed in a uniform grid design. Vegetation cover was reclassified using habitat suitability functions (HSFs) derived from qualitative literature values and combined into habitat suitability indices (HSIs) to model the relationships between habitat variables and the likelihood of juvenile gopher tortoise presence. Chi-squared tests and spatial point pattern analysis were used to validate and identify well-forming models. In general, the best performing HSI models for the juvenile gopher tortoise were those that incorporated all three gopher tortoise life requisites in a compensatory relationship (geometric mean): thermoregulation (total high canopy, bare ground, or litter), predation (oak mid-canopy), and food (forb or wiregrass). The models could be improved by using the observed relative abundance of juvenile burrows in each vegetation cover class to modify the HSFs. These methods will help identify habitat characteristics associated with active juvenile gopher tortoise burrows that can be used by public and private land managers to improve existing tortoise habitat and to identify high-quality habitat for future preserves.
Author : Tracey Dianne Tuberville
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (367 download)
Download or read book Estimating Viability of Gopher Tortoise Populations written by Tracey Dianne Tuberville and published by . This book was released on 2009 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 928 pages
Book Rating : 4.3/5 (555 download)
Download or read book De Soto National Forest (N.F.), Renewal of Special Use Permit for Military Activities on the De Soto National Forest and Implementation of Installation Mission Support Activies at Camp Shelby, Mississippi written by and published by . This book was released on 2007 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gopher Tortoise Council. Meeting
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.E/5 ( download)
Download or read book Gopher Tortoise Habitat Management, Strategies and Options written by Gopher Tortoise Council. Meeting and published by . This book was released on 1988 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jennifer Dawn Cox
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (352 download)
Download or read book Estimating Density of Gopher Tortoises on Egmont Key written by Jennifer Dawn Cox and published by . This book was released on 1996 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
