By Michael L. Domeier (auth.), Yvonne Sadovy de Mitcheson, Patrick L. Colin (eds.)
Reef fish spawning aggregations, starting from small teams to many tens of millions of people, are impressive yet poorly recognized ordinary phenomena wherein fish gather at particular instances and destinations to spawn. For a few species those huge teams could be the purely type of copy, the excessive fish numbers in short giving a misunderstanding of balance and abundance—an ‘illusion of plenty’. they can be a spotlight for in depth seasonal fishing due to their predictability and since many very important advertisement fishes shape them. hugely prone to overexploitation, many aggregations and their linked fisheries, have disappeared or are in decline. Few are successfully controlled or included into safe components. Aggregations aren't good understood through fishery scientists, managers and conservationists and their importance little favored by way of fishers or the broader public. to make sure their patience to fill up very important fisheries in coral ecosystems, continue their surroundings functionality and proceed to thrill divers, an important swap in point of view is required to foster safeguard and management.
This ebook presents finished and useful assurance of the biology, research and administration of reef fish aggregations, exploring their how, while, the place, and why. It explores how one can greater safeguard, research, deal with and preserve them, whereas picking key info gaps and questions. The textual content is largely illustrated with many specified, by no means sooner than released, pictures and snap shots. Case experiences on over 20 fascinating and significant fishes are incorporated, outlining their biology and fisheries and highlighting significant issues and challenges.
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Additional info for Reef Fish Spawning Aggregations: Biology, Research and Management
Example text
The time devoted to this chapter would not have been possible without the generous support of the Offield Family Foundation. References Almany G, Berumen M, Thorrold S, Planes S, Jones G (2007) Local replenishment of coral reef fish populations in a marine reserve. Science 316:742–744 Bane G (1965) Spawning of the margined flyingfish, Cypselurus cyanopterus (Valenciennes), in the Gulf of Guinea. Copeia 1965:382 Bell J, Lyle J, Bulman C, Graham K, Newton G, Smith D (1992) Spatial variation in reproduction, and occurrence of non-reproductive adults, in orange roughy, Hoplostethus atlanticus Collet (Trachichthyidae), from southeastern Australia.
Trends Ecol Evol 17(9):422–428 Nemeth RS (2009) Dynamics of reef fish and decapod crustacean spawning aggregations: underlying mechanisms, habitat linkages and trophic interactions. In: Nagelkerken I (ed) Ecological interactions among Tropical Coastal ecosystems. Springer, Netherlands Pankhurst N (1988) Spawning dynamics of orange roughy, Hoplostethus atlanticus, in mid-slope waters of New Zealand. Environ Biol Fish 21:101–116 Parin N, Lakshminaraina D (1993) Flying fishes (Exocoetidae) in the coastal waters of southeastern India.
Nemeth Abstract A wide diversity of species form spawning aggregations and migrate from home ranges or feeding sites to specific locations for reproduction. Because most of these species comprise large carnivorous and numerous herbivorous fishes, they play a vital role in ecosystem function and fisheries economics. Nested within the functional migration area may be other spatial components including catchment area, staging area, courtship arena and the spawning aggregation site. The flux of fish biomass from feeding grounds to spawning aggregation sites as well as the energy transfer resulting from feeding, defaecation and release of propagules provides an important and largely overlooked ecological component of connectivity within marine ecosystems.