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Examining Underwater Visual Census Techniques For The Assessment Of Population Structure And Biodiversity In Temperate Coastal Marine Protected Areas
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Book Synopsis Examining Underwater Visual Census Techniques for the Assessment of Population Structure and Biodiversity in Temperate Coastal Marine Protected Areas by : Neville Barrett
Download or read book Examining Underwater Visual Census Techniques for the Assessment of Population Structure and Biodiversity in Temperate Coastal Marine Protected Areas written by Neville Barrett and published by . This book was released on 2002 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Oceanography and Marine Biology by : R. N. Gibson
Download or read book Oceanography and Marine Biology written by R. N. Gibson and published by CRC Press. This book was released on 2012-06-05 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most cited sources in marine science, this Golden Anniversary Edition provides an authoritative review, summarizing the results of current research in oceanography and marine biology. This essential reference for research workers and students in all fields of marine science covers basic areas of marine research as well as subjects of special and topical importance. Written by acknowledged experts in their fields, this volume presents excellent coverage and quality in the papers presented.
Book Synopsis Computer Vision and Image Processing by : Harkeerat Kaur
Download or read book Computer Vision and Image Processing written by Harkeerat Kaur and published by Springer Nature. This book was released on with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transactions and Proceedings and Report of the Philosophical Society of Adelaide, South Australia by : Royal Society of South Australia
Download or read book Transactions and Proceedings and Report of the Philosophical Society of Adelaide, South Australia written by Royal Society of South Australia and published by . This book was released on 2004 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecology of Australian Temperate Reefs by : Scoresby Shepherd
Download or read book Ecology of Australian Temperate Reefs written by Scoresby Shepherd and published by CSIRO PUBLISHING. This book was released on 2013-10-23 with total page 923 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecology of Australian Temperate Reefs presents the current state of knowledge of the ecology of important elements of southern Australian sub-tidal reef flora and fauna, and the underlying ecological principles. Preliminary chapters describe the geological origin, oceanography and biogeography of southern Australia, including the transitional temperate regions toward the Abrolhos Islands in the west and to Sydney in the east. The book then explains the origin and evolution of the flora and fauna at geological time scales as Australia separated from Antarctica; the oceanography of the region, including principal currents, and interactions with on-shelf waters; and the ecology of particular species or species groups at different trophic levels, starting with algae, then the ecological principles on which communities are organised. Finally, conservation and management issues are discussed. Ecology of Australian Temperate Reefs is well illustrated with line drawings, figures and colour photographs showing the many species covered, and will be a much valued reference for biologists, undergraduates, and those interested and concerned with reef life and its natural history. 2014 Whitley Award Commendation for Marine Ecology.
Book Synopsis Transactions of the Royal Society of South Australia, Incorporated by :
Download or read book Transactions of the Royal Society of South Australia, Incorporated written by and published by . This book was released on 2008 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Conserving Marine Environments by : P. A. Hutchings
Download or read book Conserving Marine Environments written by P. A. Hutchings and published by . This book was released on 2003 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Australian Government - Department of the Environment and Heritage - Environment Australia Publisher : ISBN 13 :9780642549495 Total Pages :20 pages Book Rating :4.5/5 (494 download)
Book Synopsis The Benefits of Marine Protected Areas by : Australian Government - Department of the Environment and Heritage - Environment Australia
Download or read book The Benefits of Marine Protected Areas written by Australian Government - Department of the Environment and Heritage - Environment Australia and published by . This book was released on 2003 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Natural History of Gulf St Vincent by : Royal Society of South Australia
Download or read book Natural History of Gulf St Vincent written by Royal Society of South Australia and published by . This book was released on 2008 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advancing the Study of Fish Populations in Marine Protected Areas with Passive Acoustics and Optical Imaging by : Camille Pagniello
Download or read book Advancing the Study of Fish Populations in Marine Protected Areas with Passive Acoustics and Optical Imaging written by Camille Pagniello and published by . This book was released on 2021 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine protected areas (MPAs) have been established worldwide to protect coastal ecosystems and the species inhabiting them. However, it is difficult to quantify whether these areas are adequately protecting the targeted species. Current monitoring methods, such as diver surveys, allow fish species to be identified in situ, but are known to alter fish presence and behavior. Other methods, such as acoustic telemetry, are relatively invasive, requiring the implantation of a transmitter tag into the fish. Additionally, both these approaches are laborious and expensive, relying on good weather and a talented pool of fisherman and divers. Methods that are non-invasive, such as passive acoustics, offer good spatial and temporal coverage, but ascribing specific calls or sounds to the species creating them is difficult, particularly for fishes. Camera deployments allow for in situ observations of behavior, diversity and frequency of occurrence of a wide variety of animals but are often hindered by low-light and battery limitations. Here, I developed passive acoustic and optical imaging tools to study sound-producing fish that allow improved performance over contemporary methods. These tools were used to study chorusing fish in protected kelp forests along the southern California coast. First, an autonomous Wave Glider was equipped with a passive acoustic recorder to map the distribution of five soniferous fish spawning aggregations. The fish choruses started near sunset and ended before sunrise, and were almost exclusively recorded offshore of kelp forests. Second, a low-cost underwater optical imaging system that utilizes a consumer-grade camera to capture high-quality images in low-light aquatic habitats without artificial lighting was designed and developed. The system was used to captured >1,500 images per day over 14 days, which revealed biologically important behaviors as well as daily patterns of presence/absence. Lastly, an underwater controlled source of known position was used to improve an acoustic localization algorithm to track fish to a resolution of a few meters. The fish remained outside of the MPA while vocalizing. This work demonstrates the promise of these tools to non-invasively monitor animal behavior, biodiversity and frequency of occurrence in MPAs as well as other nearshore areas.
Book Synopsis Fully-protected Marine Reserves by : Callum M. Roberts
Download or read book Fully-protected Marine Reserves written by Callum M. Roberts and published by . This book was released on 2000 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecological Census Techniques by : William J. Sutherland
Download or read book Ecological Census Techniques written by William J. Sutherland and published by Cambridge University Press. This book was released on 1996-03-21 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: A concise guide to the techniques for estimating population numbers in plants and animals.
Book Synopsis Refining Underwater Video Methods for Monitoring Fish Populations by : Oliver Francis Evans
Download or read book Refining Underwater Video Methods for Monitoring Fish Populations written by Oliver Francis Evans and published by . This book was released on 2017 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developing accurate methods to survey fish is of vital importance to the monitoring of our marine ecosystems and establishing a basis for evaluating environmental anthropogenic change. Underwater video is a popular survey method that can avoid several limitations associated with underwater visual censuses (UVC), most notably, variable response to divers. Baited underwater video (BUV) is a commonly used survey method that avoids diver influence and yields statistically powerful results. However, the obtrusive nature of some BUV systems may cause similar behavioural responses to those reported for UVC methods. This study compares the relative densities of snapper Pagrus auratus inside and outside a marine reserve as measured using BUV, baited ‘stealth’ video (BSV), and an inconspicuous unbaited underwater video (UUV) to determine the most appropriate method for estimating abundances. An unbaited BUV frame (UBF) was used to test whether BUV underestimates densities of larger snapper in fished areas due to the presence of an obtrusive BUV frame. This study also presents a method for generating absolute density estimates using footage from a stationary video camera. Underwater video surveys were conducted inside and outside the Cape Rodney to Okakari Point Marine Reserve in north-eastern New Zealand from May to September 2016. Relative densities (expressed as reserve:non-reserve ratios) for legal (≥ 300mm) snapper were much higher for BUV and UBF compared to UUV and BSV. Proportions of larger fish sampled by the different methods were similar inside the reserve, but differed markedly outside the reserve, confirming the notion that BUV undersamples larger fish in non-reserve areas due to their wariness of the BUV structure, and therefore overestimates the “reserve effect”. A hump-shaped distribution of abundance shown by UUV and BSV suggests a higher reserve abundance is due to a “reserve effect” rather than a behavioural bias associated with BUV. A lack of a plateau suggests a larger reserve is needed to fully protect snapper populations. Using the new method developed for stationary video analysis, this study provides the first estimates of snapper absolute density and biomass per unit area on a temperate reef system inside and outside a marine reserve.
Book Synopsis Innovation and Discoveries in Marine Soundscape Research by : Bob Dziak
Download or read book Innovation and Discoveries in Marine Soundscape Research written by Bob Dziak and published by Frontiers Media SA. This book was released on 2022-04-04 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine and Coastal Protected Areas by : Rodney V. Salm
Download or read book Marine and Coastal Protected Areas written by Rodney V. Salm and published by IUCN. This book was released on 2000 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a new edition of the classic textbook on marine protected area (MPA) management in the tropics, originally produced as an output of the Bali World Parks Congress in 1982. Approaches to planning and managing MPAs have evolved considerably. Major advances include innovative financing mechanisms, partnerships with the private sector and NGOs, and collaborative management between government and coastal communities. These advances have brought new approaches for MPA establishment and management that are more participatory, involving communities through interaction and collaboration rather than prescription. With new case studies and illustrations, the guide comes in a water-resistant cover for field use. It is intended for those who plan individual and/or national MPA systems and gives philosophical context for MPAs along with some basic principles and approaches.
Book Synopsis Journal of the Royal Society of Western Australia by : Royal Society of Western Australia
Download or read book Journal of the Royal Society of Western Australia written by Royal Society of Western Australia and published by . This book was released on 2009 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Artificial Reefs in Fisheries Management by : Stephen A. Bortone
Download or read book Artificial Reefs in Fisheries Management written by Stephen A. Bortone and published by CRC Press. This book was released on 2011-05-09 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: While artificial reefs may have much to offer, they remain an anecdote in the greater scheme of fisheries management, primarily due to the lack of data specific to validating their use. Based on papers presented at the 9th Conference on Artificial Reefs and Artificial Habitats (CARAH) and also including original articles written for this reference,