Hilsa fish:An endangered fish due to climat change and over exploitation
نویسندگان
چکیده
منابع مشابه
Simulation of fish population responses to exploitation
Jensen, A.L., 1991. Simulation of fish population responses to exploitation. Ecol. Modelling, 55: 203-218. A model that couples Larkin's predator-prey model, Ivlev's feeding model, Ursin's growth equation and the exponential mortality model was applied for simulation of the responses of fish populations to exploitation. Simulations were done without food-limited growth, with food-limited growth...
متن کاملEXPLOITATiON OF FISH POPULATIONS
The tcrm "exploitation" implies the idea of making use of the population, and in fisheries is generally regarded as a process which should be continued indefinitely without destroying the population. Very intense exploitation leading to the complete destruction of the population, or at least its reduction to a level so low that further exploitation is not worthwhile, is rarely, if ever, deliber...
متن کاملOntogeny influences sensitivity to climate change stressors in an endangered fish
Coastal ecosystems are among the most human-impacted habitats globally, and their management is often critically linked to recovery of declining native species. In the San Francisco Estuary, the Delta Smelt (Hypomesus transpacificus) is an endemic, endangered fish strongly tied to Californian conservation planning. The complex life history of Delta Smelt combined with dynamic seasonal and spati...
متن کاملNonlinear response of Black Sea pelagic fish stocks to over-exploitation
A 3-trophic level prey-predator model investigated the underlying nonlinear dynamics governing long-term (1960 to 1999) changes in pelagic fish stocks in the Black Sea. The model first explored the steady state dynamics under various combinations of consumption, harvesting and mortality rate values, and identified the critical parameters and their ranges that control equilibrium characteristics...
متن کاملExploitation dynamics of fish stocks
I address the question of the fluctuations in fishery landings. Using the fishery statistics time-series collected by the Food and Agriculture Organization of the United Nations since the early 1950s, I here analyze fishing activities and find two scaling features of capture fisheries production: (i) the standard deviation of growth rate of the domestically landed catches decays as a power-law ...
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ژورنال
عنوان ژورنال: ASIAN JOURNAL OF ENVIRONMENTAL SCIENCE
سال: 2017
ISSN: 0973-4759,0976-8947
DOI: 10.15740/has/ajes/12.1/53-56