Flashcards
fishing industry
Flashcards do conjunto (19)
- 1FISHING1. Marine fishing
2. Inland fishing - 21. MARINE FISHINGA. Subsistence fishing
B. Commercial fishing - 3A. SUBSISTENCE FISHINGfisherman and family consumes what is caught
conventional methods used e.g traditonal net, small wooden sail boat ...nominal fish catched..not as a permanent source of income - 4B. COMMERCIAL FISHINGFish is sold in market as source of income
2 main centres: gwadar n karachi
gill netters n mechanized boats used
makran coast's developing - 52. INLAND FISHINGall lakes n rivers...
the reservoirs specially dug ponds - 6FISH FARMSrectangular man-made ponds
for breeding fish
cement base: prevent water loss
mud edges:
trees: oxygen, keep water cool - 7GOVT. EFFORTS TO DEVELOP FISHERIESintro of new fishing techniques
development of value added products
weather broadcasting help - 8SOCIO ECONOMIC BENEFITS OF FISH FARMING-greater return to fishermen
- employment increases
- technology will increse fish production
- foreign exchange earnings
- reduce burden on crops n livestocks and - 9FISH FARMING AND THE ENVIRONMENT1. Effects on ecosystem
2. Chemical pollution
3. Recycling wastes - 10EFFECTS ON ECOSYSTEM-lower watertable as water is pumped in farms
salitation - 11CHEMICAL POLLUTIONChemicals used have adverse affect on environment
used for inducing, breeding n transfer of fish - 12RECYCLING WASTESaquaculture help in recycling of domestic n farm wastes
used as good organic fertilizer - 13PROBLEMS FOR FISHING INDUSTRY1. water pollution
2. over-fishing
3. threat to mangroves - 14WATER POLLUTIONlimited to karachi
spillage of oil n domestic n industrial
waste, numerous harmful chemicals are found in marine fish, so they enter humans by food chain, chemical fertilizers
WATER DISPOSAL NEEDS TO BE SETUP - 152. OVER FISHINGover fishing of shrimps
also in breeding system
this prob is due to foreign trawlers
limits shrimp production - 163. THREAT TO MANGROVESmangroves act as barrier
they protect coastlines from high n low tides
they are breeding grounds for fish n shrimps
they cant thrive well in polluted sea water - 17SUSTAINABLE FISHERIES (hindrances)- over fishing
- catching baby fish
- use of illegal nets
- destruction of mangroves
- water pollution extincts fish species - 18SUSTAINABLE FISHING (methods)- restrict foreign deep-sea trawlers to avoid over fishing
- ban illegal nets which catch baby fish
- strict enforcement against cutting of mangroves
- restrictions regarding water pollution - 19—
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- Flashcards on fishing industry, created by aayet fatima on 04/08/2017.
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- aayet fatima
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