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Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (319 download)
Download or read book Bottlenose Dolphins of Galveston Bay written by and published by . This book was released on 1997 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dagmar Fertl
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (326 download)
Download or read book Occurrence, Movements, and Behavior of Bottlenose Dolphins (Tursiops Truncatus) in Association with the Shrimp Fishery in Galveston Bay, Texas written by Dagmar Fertl and published by . This book was released on 1994 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maria Paula Teixeira Moreno
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (89 download)
Download or read book Environmental Predictors of Bottlenose Dolphin Distribution and Core Feeding Densities in Galveston Bay, Texas written by Maria Paula Teixeira Moreno and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal dolphins are often exposed to habitat degradation and direct interactions with humans. Major factors that influence dolphin distribution, critical for conservation concerns, are still poorly understood even for the bottlenose dolphin, the best-studied cetacean. To establish the environmental conditions that best predict occurrence of bottlenose dolphins and high feeding densities in Galveston Bay, I conducted a total of 367 boat surveys in five locations of the estuary, totaling 3,814.77 km of search effort. I counted groups of dolphins and measured surface water temperature, salinity, turbidity, total number of boats, shrimp vessels, and number of seabirds. Using geospatial tools, these data -- along with location, distance to the Gulf of Mexico and water depth -- were analyzed on a 500- m resolution grid. Temporal factors at daily and seasonal scales were also examined. Occurrence was modeled using a Generalized Additive Model and core feeding densities (i.e., feeding densities above 2 SD of the mean) were modeled with a Generalized Linear Model. A total of 1,802 dolphins in 262 groups were detected,56.87% of which were feeding. I found that all factors except warm/cold seasons and turbidity were useful to predict dolphin distribution, which was related non-linearly tomost predictors. Fewer variables were relevant in predicting core feeding densities. These were, in decreasing order of relevance, distance to the Gulf of Mexico, surface water temperature, depth, number of boats, and warm/cold seasons. Feeding was highly clustered and the main core areas, less than approximately 3 km2 wide, were stable across time of day and season. The majority of the occurrences (86.2%) and feeding groups (94%) were situated in two bay locations - Galveston Ship Channel (GSC) and Bolivar Roads (BRD) - that amounted to only one- fifth of the surveyed area. Compared to conditions in GSC and BRD when no dolphins were sighted, feeding cores were deeper and more seabirds were observed. This fine-scale study of bottlenose dolphin distribution may contribute to a better understanding of habitat requirements for coastal dolphins. It also may provide information needed to minimize potential negative impacts to this population caused by human activities.
Author : Alexandria Elizabeth Rivard
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (92 download)
Download or read book Behavioral Patterns of Common Bottlenose Dolphins in Galveston, Texas and Protection Strategy Development written by Alexandria Elizabeth Rivard and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study is to establish a protection strategy for common bottlenose dolphins in the Galveston, Texas area based on quantifiable behavioral patterns. This area is subjected to regular vessel traffic entering the commercial ship channels. I used The Galveston-Port Bolivar ferry at the entrance of the ship channels as a platform for assessing variations in dolphin group behavior. Over six months, I conducted 1,412 hours of observation. Resting behavior occurred significantly more frequently than expected in Bolivar; traveling, more frequently in the passage; and foraging more frequently in Galveston (p 0.01). Traveling dominated in open water (p
Author : Sherman Calaway Jones
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (2 download)
Download or read book Survey of the Atlantic Bottlenose Dolphin (Tursiops Truncatus) Population Near Galveston, Texas written by Sherman Calaway Jones and published by . This book was released on 1988 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephen Leatherwood
Publisher : Elsevier
ISBN 13 : 0323139612
Total Pages : 672 pages
Book Rating : 4.3/5 (231 download)
Download or read book The Bottlenose Dolphin written by Stephen Leatherwood and published by Elsevier. This book was released on 2012-12-02 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of their exposure in marine parks, movies, and television as well as their presence in tropical and warm-temperature waters around the world, bottlenose dolphins are among the most familiar of marine mammals. Since they are relatively easy to obtain and they thrive in captivity, these dolphins have been used in a great variety of studies. Work with the bottlenose has provided insight into the sensory mechanisms, communication systems, energetics, reproduction, anatomy, and other aspects of cetacean biology. This volume presents the most recent biological and behavioral discoveries of bottlenose dolphins from different regions and compares bottlenose dolphins as a group with other species of animals.
Author : Anita Ann Colbert
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (318 download)
Download or read book Investigation of Unusual Mortalities of Bottlenose Dolphins Along the Mid-Texas Coastal Bay Ecosystem During 1992 written by Anita Ann Colbert and published by . This book was released on 1999 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernd G. Würsig
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.:/5 (318 download)
Download or read book Movements, Site Fidelity, and Respiration Patterns of Bottlenose Dolphins on the Central Texas Coast written by Bernd G. Würsig and published by . This book was released on 1996 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Herb Ward
Publisher : Springer
ISBN 13 : 1493934562
Total Pages : 948 pages
Book Rating : 4.4/5 (939 download)
Download or read book Habitats and Biota of the Gulf of Mexico: Before the Deepwater Horizon Oil Spill written by C. Herb Ward and published by Springer. This book was released on 2017-06-26 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is open access under a CC BY-NC 2.5 license. The Gulf of Mexico is an open and dynamic marine ecosystem rich in natural resources but heavily impacted by human activities, including agricultural, industrial, commercial and coastal development. The Gulf of Mexico has been continuously exposed to petroleum hydrocarbons for millions of years from natural oil and gas seeps on the sea floor, and more recently from oil drilling and production activities located in the water near and far from shore. Major accidental oil spills in the Gulf are infrequent; two of the most significant include the Ixtoc I blowout in the Bay of Campeche in 1979 and the Deepwater Horizon Oil Spill in 2010. Unfortunately, baseline assessments of the status of habitats and biota in the Gulf of Mexico before these spills either were not available, or the data had not been systematically compiled in a way that would help scientists assess the potential short-term and long-term effects of such events. This 2-volume series compiles and summarizes thousands of data sets showing the status of habitats and biota in the Gulf of Mexico before the Deepwater Horizon Oil Spill. Volume 2 covers historical data on commercial and recreational fisheries, with an analysis of marketing trends and drivers; ecology, populations and risks to birds, sea turtles and marine mammals in the Gulf; and diseases and mortalities of fish and other animals that inhabit the Gulf of Mexico.
Author : Daniela Maldini Feinholz
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (318 download)
Download or read book Pacific Coast Bottlenose Dolphins (Tursiops Truncatus Gilli) in Monterey Bay, California written by Daniela Maldini Feinholz and published by . This book was released on 1996 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Juichi Yamagiwa
Publisher : Springer Science & Business Media
ISBN 13 : 4431545239
Total Pages : 445 pages
Book Rating : 4.4/5 (315 download)
Download or read book Primates and Cetaceans written by Juichi Yamagiwa and published by Springer Science & Business Media. This book was released on 2013-11-20 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, the editors present a view of the socioecology of primates and cetaceans in a comparative perspective to elucidate the social evolution of highly intellectual mammals in terrestrial and aquatic environments. Despite obvious differences in morphology and eco-physiology, there are many cases of comparable, sometimes strikingly similar patterns of sociobehavioral complexity. A number of long-term field studies have accumulated a substantial amount of data on the life history of various taxa, foraging ecology, social and sexual relationships, demography, and various patterns of behavior: from dynamic fission–fusion to long-term stable societies; from male-bonded to bisexually bonded to matrilineal groups. Primatologists and cetologists have come together to provide four evolutionary themes: (1) social complexity and behavioral plasticity, (2) life history strategies and social evolution, (3) the interface between behavior, demography, and conservation, and (4) selected topics in comparative behavior. These comparisons of taxa that are evolutionarily distant but live in comparable complex sociocognitive environments boost our appreciation of their sophisticated mammalian societies and can advance our understanding of the ecological factors that have shaped their social evolution. This knowledge also facilitates a better understanding of the day-to-day challenges these animals face in the human-dominated world and may improve the capacity and effectiveness of our conservation efforts.
Author :
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ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.:/5 (318 download)
Download or read book U.S. Atlantic and Gulf of Mexico Marine Mammal Stock Assessments--1999 written by and published by . This book was released on 1999 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. N. Gibson
Publisher : CRC Press
ISBN 13 : 1439859256
Total Pages : 578 pages
Book Rating : 4.4/5 (398 download)
Download or read book Oceanography and Marine Biology written by R. N. Gibson and published by CRC Press. This book was released on 2010-05-12 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oceanography and Marine Biology: An Annual Review, Volume 48
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ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (318 download)
Download or read book U.S. Atlantic and Gulf of Mexico Marine Mammal Stock Assessments--2002 written by and published by . This book was released on 2002 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (243 download)
Download or read book NOAA Technical Report NMFS. written by and published by . This book was released on 1984 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (318 download)
Download or read book U.S. Atlantic and Gulf of Mexico Marine Mammal Stock Assessments -- 1996 written by and published by . This book was released on 1997 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernd G. Würsig
Publisher : W. L. Moody JR. Natural Histor
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Marine Mammals of the Gulf of Mexico written by Bernd G. Würsig and published by W. L. Moody JR. Natural Histor. This book was released on 2000 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Given in honor of District Governor Hugh Summers and Mrs. Ahnise Summers by the Rotary Club of Aggieland with matching support from the Sara and John H. Lindsey '44 Fund, Texas A & M University Press, 2004.
