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Community Structure Of Hermatypic Corals At Kure Atoll In The Northwestern Hawaiian Islands
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Book Synopsis Community Structure of Hermatypic Corals at Kure Atoll in the Northwestern Hawaiian Islands by : Jean C. Kenyon
Download or read book Community Structure of Hermatypic Corals at Kure Atoll in the Northwestern Hawaiian Islands written by Jean C. Kenyon and published by . This book was released on 2008 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: The distribution and abundance of scleractinian corals at Kure Atoll in the Northwestern Hawaiian Islands was determined by georeferenced towed-diver surveys that covered close to 27,000 m2 of benthic habitat and site-specific surveys at 21 sites during 2000-2003. Three complementary methods (towed-diver surveys, video transects, and photoquadrats) were used to quantify percent cover of corals by genus or species in the fore-reef, back-reef, and lagoon habitats. Three genera, Porites, Pocillopora, and Montipora, accounted for more than 99% of the coral cover throughout the atoll, although their relative abundances vary considerably according to habitat and geographic sector within habitats. Fore-reef communities are dominated by massive and encrusting Porites and by Pocillopora, while the back reef is dominated by Montipora and the lagoon by Porites compressa. All taxa show habitat-specific differences in colony density and size-class distributions as assessed through colony counts within belt transects at fixed sites. These demographic data provide the most detailed, spatially comprehensive description of coral communities at Kure Atoll produced to date and can serve as a solid baseline for determining the magnitude and direction of future changes. They are discussed within the context of factors known to affect community development on Hawaiian coral reefs including temperature, wave stress, coral bleaching and other diseases, marine debris, and crown-of-thorns seastars.
Book Synopsis Community Structure of Hermatypic Corals at Maro Reef in the Northwestern Hawaiian Islands by : Jean C. Kenyon
Download or read book Community Structure of Hermatypic Corals at Maro Reef in the Northwestern Hawaiian Islands written by Jean C. Kenyon and published by . This book was released on 2008 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Percent cover of shallow-water (
Book Synopsis Community Structure of Hermatypic Corals at Pearl and Hermes Atoll, Northwestern Hawaiian Islands by :
Download or read book Community Structure of Hermatypic Corals at Pearl and Hermes Atoll, Northwestern Hawaiian Islands written by and published by . This book was released on 2007 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: The distribution and abundance of scleractinian corals at Pearl and Hermes Atoll (PHA), Northwestern Hawaiian Islands, were determined by georeferenced towed-diver surveys that covered more than 85,000 m2 of benthic habitat and site-specific surveys at 34 sites during 2000-2002. Three complementary methods (towed-diver surveys, videotransects, and photoquadrats) were used to quantify percent cover of corals by genus or species in the fore reef, back reef, lagoon, and channel habitats. Three genera--Porites, Montipora, and Pocillopora--account for 97% of the coral cover throughout the atoll, though their relative abundances vary considerably according to habitat and geographic sector within habitats. Fore-reef communities are dominated by massive and encrusting Porites, while the back reef is dominated by Montipora and the lagoon by Porites compressa. All taxa show habitat-specific differences in colony density and size-class distributions as assessed through colony counts within belt transects at fixed sites. These demographic data, which provide the most thorough quantitative description of the coral communities at PHA to date, are used to focus a discussion on risks of reef degradation from salient contemporary hazards, including bleaching, disease, marine debris, and Acanthaster predation. Coral communities at PHA may be the most vulnerable in the Hawaiian Archipelago to bleaching and accumulation of marine debris, thus warranting special management attention. These data also provide a detailed baseline to which population parameters determined from long-term monitoring surveys can be compared to assess the direction, pace, and drivers of change.
Book Synopsis Community Structure of Hermatypic Corals at Midway Atoll in the Northwestern Hawaiian Islands by : Jean C. Kenyon
Download or read book Community Structure of Hermatypic Corals at Midway Atoll in the Northwestern Hawaiian Islands written by Jean C. Kenyon and published by . This book was released on 2010 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Percent cover of shallow-water ( 20 m depth) scleractinian corals at Midway Atoll, a classic atoll in the Northwestern Hawaiian Islands (NWHI), was quantified from analysis of imagery recorded along more than 49 km of benthic habitat by towed divers and at 26 sites surveyed with video transects and photoquadrats during 2002 and 2003. Colony densities and size class distributions were determined from censuses within belt transects at the same sites. All three methods showed statistically significant differences in total coral cover and relative abundance of coral genera among three habitats (fore reef, back reef, and lagoon). Mean coral cover was sparse (
Book Synopsis Community Structure of Hermatypic Corals at Layson Island and Lisianski Island/Neva Shoal in the Northwestern Hawaiian Islands by :
Download or read book Community Structure of Hermatypic Corals at Layson Island and Lisianski Island/Neva Shoal in the Northwestern Hawaiian Islands written by and published by . This book was released on 2007 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The distribution and abundance of scleractinian corals at Laysan Island and Lisianski Island/Neva Shoal in the Northwestern Hawaiian Islands were determined by georeferenced towed-diver surveys that covered more than 56,000 m2 of benthic habitat and site-specific surveys at 33 sites during 2000-2004. Three complementary methods (towed-diver surveys, videotransects, and photoquadrats) were used to quantify percent cover of corals by genus or species at each bank and determine relative abundance. Colony counts within belt transects at fixed sites were used to assess colony density and size-class distribution. Significant differences were found between the two banks at comparable depths (7-18 m) in percent coral cover, relative abundance of the three primary genera (Porites, Montipora, and Pocillopora), and size class distributions of these genera. The coral community at Lisianski/Neva Shoal was characterized by higher percent cover, higher colony density, and a tendency towards larger colonies than the coral community at Laysan. Porites was the dominant genus at both locations, but the relative abundance of Pocillopora and Montipora differed between the banks, with Pocillopora more common at Laysan than at Lisianski/Neva Shoal, and Montipora more common at Lisiansksi/Neva Shoal than at Laysan. Notable differences were also found in the distribution of the three primary genera at the two banks. These demographic data are discussed in the context of the known history of exposure of these remote reefs to salient factors influencing the condition of coral communities including marine debris, bleaching, and disease. They provide a detailed baseline of the composition of these shallow-water communities in the early years of the 21st century that will serve as a comparative benchmark for examining long-term change.
Book Synopsis A Global Atlas of Atolls by : Walter M. Goldberg
Download or read book A Global Atlas of Atolls written by Walter M. Goldberg and published by CRC Press. This book was released on 2023-08-29 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scattered like dots rising from the deep across vast expanses of the world’s tropical and subtropical oceans, atolls with their turquoise lagoons and reefs teeming with colorful marine life have captured the public imagination. They have also been the homeland of millions of people for millennia as various groups of migrants spread across the far reaches if the Pacific, Indian and Western Atlantic regions. Developed from recently available satellite data, A Global Atlas of Atolls presents high-quality details of 476 atolls across the globe, characterizing aspects of the atoll rim, the lagoon, and their coral reef communities in unprecedented detail. In synthesizing and enhancing understanding of these unique seascapes, this volume provides a distinct compendium of descriptions and images, as well as documentation of the environmental conditions of winds, waves, and tides and a summary of the background literature for each atoll area. There is no comparable work. After an introduction that includes a glossary of terms, each atoll is documented in the form of an atlas written for scientists, but accessible to any diver or reader interested in these spectacular reef-island habitats. This book also describes some current challenges and perspectives on their future. It will be useful as a reference work for marine scientists, while providing a minimum of technical jargon for those who are not scientists, but who enjoy reading about exotic places with unusual attributes.
Download or read book Northwestern Hawaiian Islands written by and published by . This book was released on 2003 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guide designed to introduce the Northwestern Hawaiian Islands coral reef habitats highlighting its unique geology, biology, and cultural history. Features aerial photographs and maps of the Northwestern Hawaiian Islands.
Book Synopsis Latitudinal Limits to Coral Reef Accretion by : Daria Siciliano
Download or read book Latitudinal Limits to Coral Reef Accretion written by Daria Siciliano and published by . This book was released on 2005 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Marine & Freshwater Research written by and published by . This book was released on 1995 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Northwestern Hawaiian Islands/Kure Atoll Assessment and Monitoring Program by : William J. Walsh
Download or read book Northwestern Hawaiian Islands/Kure Atoll Assessment and Monitoring Program written by William J. Walsh and published by . This book was released on 2002 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Telegraph Messenger's New Year's Greeting by :
Download or read book The Telegraph Messenger's New Year's Greeting written by and published by . This book was released on 1889 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seas at the Millennium by : Charles R. C. Sheppard
Download or read book Seas at the Millennium written by Charles R. C. Sheppard and published by . This book was released on 2000 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans un passé assez récent, un intérêt sans précédent s'est développé concernant les ressources globales. Nous nous rendons maintenant compte que les ressources biologiques sont loin d'être illimitées et pendant les dernières décennies du 20ème siècle, des efforts ont débuté pour contrôler nos usages de l'environnement et qui agissent les uns avec les autres dans les écosystèmes dont nous dépendons finalement. Le projet "Mers au millénaire": Une Evatuation Environmentale sur la zone côtière couvre le secteur où vit plus d'un quart de l'humanité, et jusque au bas du plateau continental. Ces trois livres se concentrent sur la biosphère où les interactions de l'homme avec les mers et leurs systèmes biologiques et physiques sont le plus sensibles. 135 chapitres écrits par les experts internationaux et les scientifiques travaillant dans ce domaine offrent un sommaire unique des mers et des océans du monde. À la fin du millénaire les auteurs à travers le monde ont examiné l'état de nos habitats marins et côtiers. Pour la première fois, ils ont uni leurs efforts de par le monde pour s'assurer que ces habitats restent dans un état de fonctionnement durable et stable; l'information a été documentée et assemblée dans une source bibliographique unique. "Mers au millénaire" fournit aux scientifiques dans le monde entier une occasion unique pour s'enrichir de toutes ces expériences. Les trois volumes de "Mers au millénaire" couvrent des chapîtres d'importance globale et régionale comme : description biologique des eaux côtières et du plateau continental; développement et utilisation de la zone côtière; effets des dragages et autres techniques d'accrétion sédimentaire; effet dans le temps des déversement de polluants;de pêche; méthodes et techniques de gestion utilisées pour gérer en continu les écosystèmes. Plus de 800 figures comprenant des cartes, les graphiques, les dessins au trait et les photograph.
Book Synopsis A Natural History of the Hawaiian Islands by : E. Alison Kay
Download or read book A Natural History of the Hawaiian Islands written by E. Alison Kay and published by University of Hawaii Press. This book was released on 1994-12-01 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together recent primary source materials on major themes in Hawaiian natural history: the geological processes that have built the Islands; the physical factors that influence the Island's terrestrial ecosystems; the dynamics of the sea that support coral reefs, fish, and mollusks; the peculiarities of animals and plants that have evolved in the Islands and are found nowhere else; and the human impact on the land, plants, and animals.
Book Synopsis Corals in Hawai'i by : Douglas Fenner
Download or read book Corals in Hawai'i written by Douglas Fenner and published by Mutual Publishing. This book was released on 2005 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Symposium on Status of Resource Investigations in the Northwestern Hawaiian Islands by : Richard W. Grigg
Download or read book Proceedings of the Symposium on Status of Resource Investigations in the Northwestern Hawaiian Islands written by Richard W. Grigg and published by . This book was released on 1980 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a symposium on marine resources found in the Northwestern Hawaiian Islands.
Book Synopsis Coral Community Structure at Hanauma Bay, Oahu, Hawaii by : Brooks D. Anderson
Download or read book Coral Community Structure at Hanauma Bay, Oahu, Hawaii written by Brooks D. Anderson and published by . This book was released on 1977 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Community Structures of Recent and Pleistocene Hermatypic Corals in the Ryukyu Islands, Japan by : Toru Nakamori
Download or read book Community Structures of Recent and Pleistocene Hermatypic Corals in the Ryukyu Islands, Japan written by Toru Nakamori and published by . This book was released on 1986 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
