Climate Change Challenges on Fisheries and Aquaculture
Journal Title: International Journal of Aquaculture and Fishery Sciences - Year 2015, Vol 1, Issue 1
Abstract
Climate change poses new challenges to the sustainability of fisheries and aquaculture systems, with serious implications for the 520 million people who depend on them for their livelihoods and the nearly 3 billion people for whom fish is an important source of animal protein [1]. Two-thirds of all reefs are in developing countries, and 500 million people in the tropics depend heavily on reefs for food, livelihoods, protection from natural disasters and other basic needs. For many coastal communities in reef areas, fishing activities are the sole source of income. Climate changes may affect fisheries and aquaculture directly by influencing fish stocks and the global supply of fish for consumption, or indirectly by influencing fish prices or the cost of goods and services required by fishers and fish farmers. Potential loss of species or shift in composition for capture fisheries and impacts on seed availability for aquaculture, changes in precipitation and water availability are major impacts of climate change. Climate change lowers water quality causing more disease and increased competition with other water users which altered and reduced freshwater supplies with greater risk of drought. Fishing communities that depend on inland fisheries resources are likely to be particularly vulnerable to climate change. Higher inland water temperatures may reduce the availability of wild fish stocks by harming water quality, worsening dry season mortality, bringing new predators and pathogens, and changing the abundance of food available to fishery species.
Authors and Affiliations
Tewabe Dereje
Acute Toxicity of Mercury Chloride (Hgcl2) and Cadmium Chloride (Cdcl2) on the behavior of freshwater fish, Percocypris Pingi
The present study was performed to examine acute toxicity of two water-borne metals (Hg and Cd) by static bioassays. Fingerlings Percocypris pingi (P. pingi) were exposed to a range of concentrations of heavy metals and...
Analysis on the Molecular Biologic Characteristics and Expression of Lysozyme C Separated from Oplegnathus fasciatus
Background and Aim: lysozyme has been known as a significant component of the innate immune system of fish. It is reported that the g-type and c-type lysozymes have been identified in fish. Oplegnathus fasciatus is one o...
African Diplostomum (sensu Dubois 1961): Minireview on taxonomy and biology
Freshwater fisheries has a significant contribution to development as an important source of human proteins as well as in sport fishing and aquarium. Despite their importance, both wild and aquaculture fish suffer from a...
Preliminary Assessment of Growth Performance and Nutrient utilization of Clarias gariepinus (Burchell, 1822) Fingerlings fed Cirina forda (Westwood, 1849) as Protein Sourc
The potentials of Cirina forda as a replacement for fishmeal in the diets of Clarias gariepinus fingerlings were evaluated in 56 days. Five diets namely diets A (100% fishmeal and 0% Cirina forda), B (75% fishmeal and 25...
Preliminary Data on Biology of Stomathorinus Cf Polli Matthes, 1964 of Masendula Stream (Kisangani, RD Congo)
Background and aim: Stomatorhinus cf polli, one of species of Mormyridae whose flesh is highly appreciated by local communities. Unfortunately, there is very little information about biology and ecology of Stomatorhinus...