Fishing
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Ireland has a long history of fishing due to its location on the Atlantic Ocean and continental shelf waters that are ideal for fish populations. However, overfishing has become a major problem in Ireland, depleting fish stocks and costing many people their jobs. Overfishing occurred for several reasons, including Ireland joining the EU and having to share waters, improvements in fishing technology that allowed larger catches, use of small mesh nets that caught young fish, and a lack of fishing quotas or seasons. In response, Ireland implemented measures to promote sustainable fishing, such as conservation zones, catch quotas, bans on endangered species, adjusted net sizes, and limited fishing seasons.
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Fishing
The document discusses that on December 15-16, EU fisheries ministers will decide on fishing limits for 2012. It notes that three out of four EU fish stocks are overfished, and without action only eight of 136 stocks will be viable by 2022. It argues that Ireland's fisheries minister, Simon Coveney, has an opportunity to take a stand against overfishing by pushing for limits that do not exceed scientific advice, as recommended by recent stakeholder consultations and Coveney himself. The document closes by analogizing exceeding scientific fishing limits to driving a truck over a bridge with a lower weight limit.
Overfishing
Overfishing poses major threats to ocean ecosystems through overcapacity, unsustainable fishing practices, and pollution from fishing vessels. Unsustainable fishing uses destructive nets and methods that catch too much fish and other sea life, endangering populations and distorting food chains. It also damages physical environments and habitats. If left unchecked, overfishing will waste large investments in the fishing industry and put livelihoods and businesses at risk. Solutions include setting safe catch limits based on science rather than politics, controlling bycatch, protecting important habitats, and strict monitoring and enforcement to ensure compliance.
Overfishing & Aquaculture
Covers current state of global fisheries, fishing technology, bycatch, artificial reefs and aquaculture.
L08 geopolitics of oceans
The oceans provide many valuable resources for humans, including fish as a key source of protein. However, overfishing due to improved fishing technologies and growing demand has led to declining fish stocks. Conservation of fisheries is challenging due to fish moving across boundaries and difficulties enforcing regulations. While some measures have helped certain species recover, continued overexploitation and illegal fishing threaten the long-term sustainability of ocean resources.
L05 value of oceans
The oceans provide many valuable resources for humans, including fish as a key source of protein. However, overfishing due to improved fishing technologies and growing demand has led to declining fish stocks. Conservation of fisheries is challenging due to factors like fish moving across boundaries, illegal fishing, and lack of enforcement. While some measures have helped certain species like whales, overall conservation efforts have had only a minor impact on reducing overfishing and allowing fish populations to recover.
Overfishing
The document summarizes the negative impacts of overfishing, including the destruction of 40 tons of coral in the Pacific Ocean, 300,000 porpoise and dolphin deaths annually, 100 million sharks caught per year, and over 80% of shark species disappearing from the Atlantic Ocean. Technological advances have allowed humans to catch more fish than ever before, driving fish stocks down. Unless changes are made, all currently fished species are predicted to collapse by 2048. Possible solutions mentioned include marine stewardship councils, individual fishing quotas, marine reserves, and both short term and long term controls on fishing.
Over fishing by, abdal rahman malik
Overfishing occurs when fishing activities reduce fish populations below sustainable levels. The document discusses several consequences of overfishing including depletion of fish stocks, disruption of marine ecosystems, and collapse of global fish populations by 2050 at current rates. Specific harmful fishing methods like bottom trawling are described that damage ocean habitats. Solutions proposed include establishing no-take zones for species protection and increasing aquaculture to meet food demands.
2011 10.5 overfishing
Overfishing has led to unsustainable depletion of global fish stocks, with 52% of stocks fully exploited, 20% overexploited, and 7% depleted. If overfishing continues at current rates, fish populations will further decline and collapse is expected by 2050, disrupting marine ecosystems and harming economies and food security. Specific concerns include declining tuna populations, with the Mediterranean bluefin tuna facing imminent extinction without fishing reductions.
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Fishing
The document discusses that on December 15-16, EU fisheries ministers will decide on fishing limits for 2012. It notes that three out of four EU fish stocks are overfished, and without action only eight of 136 stocks will be viable by 2022. It argues that Ireland's fisheries minister, Simon Coveney, has an opportunity to take a stand against overfishing by pushing for limits that do not exceed scientific advice, as recommended by recent stakeholder consultations and Coveney himself. The document closes by analogizing exceeding scientific fishing limits to driving a truck over a bridge with a lower weight limit.
Overfishing
Overfishing poses major threats to ocean ecosystems through overcapacity, unsustainable fishing practices, and pollution from fishing vessels. Unsustainable fishing uses destructive nets and methods that catch too much fish and other sea life, endangering populations and distorting food chains. It also damages physical environments and habitats. If left unchecked, overfishing will waste large investments in the fishing industry and put livelihoods and businesses at risk. Solutions include setting safe catch limits based on science rather than politics, controlling bycatch, protecting important habitats, and strict monitoring and enforcement to ensure compliance.
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Covers current state of global fisheries, fishing technology, bycatch, artificial reefs and aquaculture.
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The oceans provide many valuable resources for humans, including fish as a key source of protein. However, overfishing due to improved fishing technologies and growing demand has led to declining fish stocks. Conservation of fisheries is challenging due to fish moving across boundaries and difficulties enforcing regulations. While some measures have helped certain species recover, continued overexploitation and illegal fishing threaten the long-term sustainability of ocean resources.
L05 value of oceans
The oceans provide many valuable resources for humans, including fish as a key source of protein. However, overfishing due to improved fishing technologies and growing demand has led to declining fish stocks. Conservation of fisheries is challenging due to factors like fish moving across boundaries, illegal fishing, and lack of enforcement. While some measures have helped certain species like whales, overall conservation efforts have had only a minor impact on reducing overfishing and allowing fish populations to recover.
Overfishing
The document summarizes the negative impacts of overfishing, including the destruction of 40 tons of coral in the Pacific Ocean, 300,000 porpoise and dolphin deaths annually, 100 million sharks caught per year, and over 80% of shark species disappearing from the Atlantic Ocean. Technological advances have allowed humans to catch more fish than ever before, driving fish stocks down. Unless changes are made, all currently fished species are predicted to collapse by 2048. Possible solutions mentioned include marine stewardship councils, individual fishing quotas, marine reserves, and both short term and long term controls on fishing.
Over fishing by, abdal rahman malik
Overfishing occurs when fishing activities reduce fish populations below sustainable levels. The document discusses several consequences of overfishing including depletion of fish stocks, disruption of marine ecosystems, and collapse of global fish populations by 2050 at current rates. Specific harmful fishing methods like bottom trawling are described that damage ocean habitats. Solutions proposed include establishing no-take zones for species protection and increasing aquaculture to meet food demands.
2011 10.5 overfishing
Overfishing has led to unsustainable depletion of global fish stocks, with 52% of stocks fully exploited, 20% overexploited, and 7% depleted. If overfishing continues at current rates, fish populations will further decline and collapse is expected by 2050, disrupting marine ecosystems and harming economies and food security. Specific concerns include declining tuna populations, with the Mediterranean bluefin tuna facing imminent extinction without fishing reductions.
Mila, alex k, teodor 103 overfishing ppt
Overfishing occurs when more fish are caught than can naturally replenish, threatening the balance of aquatic ecosystems. Methods like bottom trawling are especially destructive as they involve dragging heavy nets along the seafloor and result in substantial unintended bycatch. The effects of overfishing include decreased biodiversity, disruption of food webs and ecosystem balance, destruction of habitats like reefs, and depletion of a major food source that can ruin fishing industries. No-take zones that prohibit fishing have been established in some areas to allow fish populations to recover and ensure long-term prosperity of fishing. Additional measures proposed to combat overfishing include catch limits, improved enforcement, alternative fisheries, and abolishing destructive practices.
Overfishing by yuliya_miryana_bedros
Overfishing has led to declines in fish populations and damaged ocean ecosystems. Early overfishing in the 1800s depleted whale populations for oil. After WWII, efforts to increase protein availability quadrupled fishing capacity. Today the annual global fish catch exceeds 120 million tons, though overfishing is reducing populations of many species. Destructive fishing methods like bottom trawling damage coral reefs and seafloor habitats. Bycatch and discarded catch also contribute to declining fish and other marine species. No-take zones that prohibit all fishing have helped restore some ecosystems and fish populations.
Fisheries Debates Management Challenges
Responding to http://www.nps.gov/grsm/planyourvisit/fishing.htm management challenges posed by new...
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1. Overfishing is a major problem affecting many bodies of water like the Atlantic Ocean and areas around the Philippines. It disrupts ecosystems and can cause extinctions of species.
2. Techniques like bottom trawling that indiscriminately catch large amounts of fish and other sea life are very harmful. They destroy ocean habitats and catch unintended species as bycatch.
3. No-take zones that prohibit fishing have had some success in restoring ecosystems and increasing biodiversity and fish populations, which can also help fishing industries.
Overfishing
Fish are a renewable resource if populations are managed sustainably, but overfishing has become a problem recently due to advances in fishing technology allowing much higher catches. Issues arise from large nets catching unintended species and damaging ocean habitats, while methods like dynamite fishing destroy reefs. Conservation efforts are needed like limiting catches, protecting spawning populations, and creating marine reserves to allow fish stocks to recover.
Bob Zuur on NZ fisheries management
Full details at http://www.victoria.ac.nz/chaplains/whatson/do-something-fish.html
A Human FM-sponsored DO SOMETHING! event at the VUW Anglican Chaplaincy.
www.dosomething.org.nz
Fishing and Geographical Issues
Ocean overfishing is simply the taking of wildlife from the sea at rates too high for fished species to replace themselves. The earliest overfishing occurred in the early 1800s when humans, seeking blubber for lamp oil, decimated the whale population. Some fish that we eat, including Atlantic cod and herring and California's sardines, were also harvested to the brink of extinction by the mid-1900s.
Overfishing-molly.w
This document discusses the issue of overfishing and its consequences. It explains that overfishing occurs when fish populations cannot replenish themselves quickly enough due to too many fish being caught. Major causes are industrial fishing trawlers that indiscriminately catch huge amounts of fish and sea life. This has depleted fish stocks by 70% and threatens the extinction of many species like bluefin tuna, sharks, and whales by 2050 if no action is taken. The document urges people to choose sustainable seafood options and petition against destructive fishing practices to help protect ocean ecosystems.
overfishing 10-8 2011
The document discusses the issue of overfishing and its negative impacts. It defines overfishing as catching fish faster than populations can replenish. While the world's oceans could theoretically support four planets' worth of fish, many species have become reduced or extinct due to overfishing. The document also examines fishing down the food chain, bycatch, bottom trawling, and how both overfishing and government subsidies of the fishing industry can harm marine ecosystems.
Globalization Fish Quotas
Overfishing is causing major environmental, economic, and political problems globally. Environmentally, overfishing damages ocean ecosystems and fish stocks. Economically, there are too many fishing vessels chasing too few fish, overcapitalizing the industry. Politically, countries struggle to agree on and enforce fishing quotas to regulate catch amounts. Potential solutions include implementing rights-based fisheries management, promoting sustainable practices, and increasing international cooperation through agreements.
Overfishing power point
Overfishing is causing major damage to ocean ecosystems. Trawling fishing methods kill many unintended fish and discard them, while also damaging ocean floors. Popular fish like the Chilean Sea bass are being overfished to the point of endangerment. If overfishing continues at the current rate, experts predict we will deplete all fish stocks by 2048. This is unbalancing ocean environments by reducing predator populations and increasing jellyfish and rays, which leads to more algae blooms and the growth of "dead zones" - areas devoid of life. To ensure a sustainable food source for future generations, we need stronger laws against illegal fishing and overfishing to help reverse some of the damage done to oceans.
over exploitation of wild stocks
This document discusses overexploitation of wild fish stocks. It begins by explaining different types of overfishing including growth overfishing, recruitment overfishing, and ecosystem overfishing. It then provides examples of overexploited fish stocks in India like oil sardine, Indian mackerel, and Bombay duck. Studies on fish stock status in Karnataka and Kerala are mentioned, identifying certain species as depleted or declining. The document concludes by discussing the negative impacts of overexploitation, and some potential solutions like establishing marine protected areas and implementing fishing quotas.
Fishing industry of Pakistan
it is a ppt work which includes brief information about methods, areas and problems faced by fishing industry of Pakistan.
New Case - Lisa Mead - Depletion of marine life
This document discusses the depletion of marine life due to a lack of integrated ocean governance and overfishing. It presents a new case proposing that extensive overfishing and inadequate marine conservation efforts are violating the rights of the ocean. Specifically, it notes that the majority of fish stocks managed by Regional Fisheries Management Organizations are overfished. Additionally, the EU regularly sets total allowable catches higher than recommended scientific limits, threatening fish populations. The document argues this violates the ocean's right to life and natural processes as laid out in the Universal Declaration of the Rights of Mother Earth.
Presentation on fishing & fishing capacity
This document provides an overview of fishing and fishing capacity in Pakistan. It discusses that fishing is a traditional livelihood for about 400,000 Pakistanis and the total fish catch has increased from 40,000 metric tons in 1947 to over 600,000 metric tons in recent years. Marine fishing makes up 75% of the total catch and occurs along the coastal areas of Sindh and Baluchistan. Freshwater fishing accounts for 26% of the catch and comes from rivers, dams, ponds and lakes primarily in Sindh province. The document also notes that Pakistan has several hatcheries that help support the fishing industry.
Overfishing
Overfishing and pollution are severely impacting fish populations, with over half of fish stocks fully exploited and some depleted or collapsed. If overfishing continues, there may be no fish left in the oceans by 2048. Specific species like bluefin tuna have been overfished, with only 6-12% of their original populations remaining. Bycatch, or unwanted marine life caught in nets, accounts for 2-10 pounds of discard for every 1 pound of targeted shrimp and wastes about a quarter of global catches. Different fishing methods have varying environmental impacts, and aquaculture practices also affect local ecosystems.
Fishing in the Firth of Clyde
The document summarizes pressures facing the Firth of Clyde in Scotland including commercial fishing, tourism, sewage, and military activity. Cod, whiting, and haddock fisheries have collapsed with catches declining over 95%. Local divers formed COAST to help establish no-take zones in Lamlesh Bay to protect maerl and reverse fish declines. COAST aims to improve the marine environment, sustain tourism and fishing livelihoods, and increase the area's popularity. The no-take zones have caused some conflict between stakeholders who agree and disagree with the restrictions. The COAST project balances environmental, social, and economic considerations to work towards sustainability.
Fishing industry
This document discusses fisheries and issues surrounding overfishing. It notes that fisheries provide the third largest food source globally and are concentrated in coastal waters. Modern industrial fishing uses large nets, sonar, and processing ships. Methods like trawling and longlining can harm habitats and unintentionally catch other species. Overfishing has depleted some fisheries to the point it would take decades to recover even with a complete ban. Other issues include pollution, warming oceans from climate change, and destruction of coastal ecosystems. The document presents aquaculture as a potential solution but also notes it has disadvantages like requiring fishmeal from wild fisheries and producing large amounts of waste.
Bethany 2
Sea turtles face many threats including being caught as bycatch in fishing nets where they are unable to surface and breathe. All sea turtle species are listed as threatened or endangered. While long-lining and gillnets pose dangers, relatively inexpensive changes to fishing techniques such as using larger hooks and traps that allow turtles to escape can significantly reduce sea turtle mortality.
Poaching
Poaching involved illegally catching animals and fish on private land and was seen both as a crime of need and greed. For many poor farmers and laborers in 18th century England, poaching provided food and was seen as a remedy to poverty. However, some poachers were part of organized gangs poaching for profit on the black market. While many saw poaching as not truly a crime, the laws harshly punished poachers through hanging or transportation to protect landowners' rights over wild animals on their property.
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Thousands of animals worldwide are killed through poaching every year for items like ivory, medicine, and sport. Poaching has drastically reduced populations of tigers from 100,000 in 1900 to only 4,000 in 1990 and cut Africa's elephant population in half by killing them for their tusks. Rhinoceros are also poached for their horns, which are sold for high prices in China due to traditional beliefs. Sharks have their fins sliced off and are thrown back in the ocean unable to swim so their fins can be used for cancer treatments. However, organizations are working to stop poaching and protect endangered species.
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Mila, alex k, teodor 103 overfishing ppt
Overfishing occurs when more fish are caught than can naturally replenish, threatening the balance of aquatic ecosystems. Methods like bottom trawling are especially destructive as they involve dragging heavy nets along the seafloor and result in substantial unintended bycatch. The effects of overfishing include decreased biodiversity, disruption of food webs and ecosystem balance, destruction of habitats like reefs, and depletion of a major food source that can ruin fishing industries. No-take zones that prohibit fishing have been established in some areas to allow fish populations to recover and ensure long-term prosperity of fishing. Additional measures proposed to combat overfishing include catch limits, improved enforcement, alternative fisheries, and abolishing destructive practices.
Overfishing by yuliya_miryana_bedros
Overfishing has led to declines in fish populations and damaged ocean ecosystems. Early overfishing in the 1800s depleted whale populations for oil. After WWII, efforts to increase protein availability quadrupled fishing capacity. Today the annual global fish catch exceeds 120 million tons, though overfishing is reducing populations of many species. Destructive fishing methods like bottom trawling damage coral reefs and seafloor habitats. Bycatch and discarded catch also contribute to declining fish and other marine species. No-take zones that prohibit all fishing have helped restore some ecosystems and fish populations.
Fisheries Debates Management Challenges
Responding to http://www.nps.gov/grsm/planyourvisit/fishing.htm management challenges posed by new...
Overfishing stoyan elia_nadezhda_10-5
1. Overfishing is a major problem affecting many bodies of water like the Atlantic Ocean and areas around the Philippines. It disrupts ecosystems and can cause extinctions of species.
2. Techniques like bottom trawling that indiscriminately catch large amounts of fish and other sea life are very harmful. They destroy ocean habitats and catch unintended species as bycatch.
3. No-take zones that prohibit fishing have had some success in restoring ecosystems and increasing biodiversity and fish populations, which can also help fishing industries.
Overfishing
Fish are a renewable resource if populations are managed sustainably, but overfishing has become a problem recently due to advances in fishing technology allowing much higher catches. Issues arise from large nets catching unintended species and damaging ocean habitats, while methods like dynamite fishing destroy reefs. Conservation efforts are needed like limiting catches, protecting spawning populations, and creating marine reserves to allow fish stocks to recover.
Bob Zuur on NZ fisheries management
Full details at http://www.victoria.ac.nz/chaplains/whatson/do-something-fish.html
A Human FM-sponsored DO SOMETHING! event at the VUW Anglican Chaplaincy.
www.dosomething.org.nz
Fishing and Geographical Issues
Ocean overfishing is simply the taking of wildlife from the sea at rates too high for fished species to replace themselves. The earliest overfishing occurred in the early 1800s when humans, seeking blubber for lamp oil, decimated the whale population. Some fish that we eat, including Atlantic cod and herring and California's sardines, were also harvested to the brink of extinction by the mid-1900s.
Overfishing-molly.w
This document discusses the issue of overfishing and its consequences. It explains that overfishing occurs when fish populations cannot replenish themselves quickly enough due to too many fish being caught. Major causes are industrial fishing trawlers that indiscriminately catch huge amounts of fish and sea life. This has depleted fish stocks by 70% and threatens the extinction of many species like bluefin tuna, sharks, and whales by 2050 if no action is taken. The document urges people to choose sustainable seafood options and petition against destructive fishing practices to help protect ocean ecosystems.
overfishing 10-8 2011
The document discusses the issue of overfishing and its negative impacts. It defines overfishing as catching fish faster than populations can replenish. While the world's oceans could theoretically support four planets' worth of fish, many species have become reduced or extinct due to overfishing. The document also examines fishing down the food chain, bycatch, bottom trawling, and how both overfishing and government subsidies of the fishing industry can harm marine ecosystems.
Globalization Fish Quotas
Overfishing is causing major environmental, economic, and political problems globally. Environmentally, overfishing damages ocean ecosystems and fish stocks. Economically, there are too many fishing vessels chasing too few fish, overcapitalizing the industry. Politically, countries struggle to agree on and enforce fishing quotas to regulate catch amounts. Potential solutions include implementing rights-based fisheries management, promoting sustainable practices, and increasing international cooperation through agreements.
Overfishing power point
Overfishing is causing major damage to ocean ecosystems. Trawling fishing methods kill many unintended fish and discard them, while also damaging ocean floors. Popular fish like the Chilean Sea bass are being overfished to the point of endangerment. If overfishing continues at the current rate, experts predict we will deplete all fish stocks by 2048. This is unbalancing ocean environments by reducing predator populations and increasing jellyfish and rays, which leads to more algae blooms and the growth of "dead zones" - areas devoid of life. To ensure a sustainable food source for future generations, we need stronger laws against illegal fishing and overfishing to help reverse some of the damage done to oceans.
over exploitation of wild stocks
This document discusses overexploitation of wild fish stocks. It begins by explaining different types of overfishing including growth overfishing, recruitment overfishing, and ecosystem overfishing. It then provides examples of overexploited fish stocks in India like oil sardine, Indian mackerel, and Bombay duck. Studies on fish stock status in Karnataka and Kerala are mentioned, identifying certain species as depleted or declining. The document concludes by discussing the negative impacts of overexploitation, and some potential solutions like establishing marine protected areas and implementing fishing quotas.
Fishing industry of Pakistan
it is a ppt work which includes brief information about methods, areas and problems faced by fishing industry of Pakistan.
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This document discusses the depletion of marine life due to a lack of integrated ocean governance and overfishing. It presents a new case proposing that extensive overfishing and inadequate marine conservation efforts are violating the rights of the ocean. Specifically, it notes that the majority of fish stocks managed by Regional Fisheries Management Organizations are overfished. Additionally, the EU regularly sets total allowable catches higher than recommended scientific limits, threatening fish populations. The document argues this violates the ocean's right to life and natural processes as laid out in the Universal Declaration of the Rights of Mother Earth.
Presentation on fishing & fishing capacity
This document provides an overview of fishing and fishing capacity in Pakistan. It discusses that fishing is a traditional livelihood for about 400,000 Pakistanis and the total fish catch has increased from 40,000 metric tons in 1947 to over 600,000 metric tons in recent years. Marine fishing makes up 75% of the total catch and occurs along the coastal areas of Sindh and Baluchistan. Freshwater fishing accounts for 26% of the catch and comes from rivers, dams, ponds and lakes primarily in Sindh province. The document also notes that Pakistan has several hatcheries that help support the fishing industry.
Overfishing
Overfishing and pollution are severely impacting fish populations, with over half of fish stocks fully exploited and some depleted or collapsed. If overfishing continues, there may be no fish left in the oceans by 2048. Specific species like bluefin tuna have been overfished, with only 6-12% of their original populations remaining. Bycatch, or unwanted marine life caught in nets, accounts for 2-10 pounds of discard for every 1 pound of targeted shrimp and wastes about a quarter of global catches. Different fishing methods have varying environmental impacts, and aquaculture practices also affect local ecosystems.
Fishing in the Firth of Clyde
The document summarizes pressures facing the Firth of Clyde in Scotland including commercial fishing, tourism, sewage, and military activity. Cod, whiting, and haddock fisheries have collapsed with catches declining over 95%. Local divers formed COAST to help establish no-take zones in Lamlesh Bay to protect maerl and reverse fish declines. COAST aims to improve the marine environment, sustain tourism and fishing livelihoods, and increase the area's popularity. The no-take zones have caused some conflict between stakeholders who agree and disagree with the restrictions. The COAST project balances environmental, social, and economic considerations to work towards sustainability.
Fishing industry
This document discusses fisheries and issues surrounding overfishing. It notes that fisheries provide the third largest food source globally and are concentrated in coastal waters. Modern industrial fishing uses large nets, sonar, and processing ships. Methods like trawling and longlining can harm habitats and unintentionally catch other species. Overfishing has depleted some fisheries to the point it would take decades to recover even with a complete ban. Other issues include pollution, warming oceans from climate change, and destruction of coastal ecosystems. The document presents aquaculture as a potential solution but also notes it has disadvantages like requiring fishmeal from wild fisheries and producing large amounts of waste.
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Sea turtles face many threats including being caught as bycatch in fishing nets where they are unable to surface and breathe. All sea turtle species are listed as threatened or endangered. While long-lining and gillnets pose dangers, relatively inexpensive changes to fishing techniques such as using larger hooks and traps that allow turtles to escape can significantly reduce sea turtle mortality.
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Traditional food production is unable to feed the world's growing population. Marine resources provide food but are under threat. The document discusses major commercial fisheries and species, noting that 500 species are caught commercially by some 200 million people worldwide. It outlines threats like overfishing, bycatch, and habitat degradation threatening fisheries. Sustainable management, aquaculture, and protected areas are proposed as solutions to support marine food sources and livelihoods into the future.
over-fishing-training-ppt_engro_ppt..1-.
Traditional food production is unable to feed the world's growing population. Marine resources provide food but are under threat. The document discusses major commercial fisheries and species, noting that 500 species are caught commercially by some 200 million people worldwide. It outlines issues like overfishing, bycatch, and mismanagement that threaten fisheries. Sustainable management, aquaculture, and protected areas are proposed as solutions to support marine food sources and alleviate problems of hunger.
REGIONAL FOCAL STUDIES - 5.6 SUSTAINABLE FISHING
This document discusses fishing industries in various regions and countries. It provides information on conditions that favor fishing industry development, types of fish, and fishing methods. Specifically, it summarizes fishing in Norway and Japan. Fishing is well developed in Norway due to factors like a continental shelf providing shallow waters and plankton, an indented coastline with harbors, ocean currents bringing food and favorable temperatures, limited other natural resources, and advanced fishing technologies and transportation. Japan also has a strong fishing industry facilitated by conditions like a broad continental shelf with ideal plankton growth, many inlets for fishing and ports, traditional seafaring experience, mountainous land unsuitable for agriculture, industrial technologies, and reliable domestic and international markets for fish.
Fisheries management (Intermediate Marine Science)
The document discusses fisheries management practices for sustainable fisheries in the Maldives. It covers objectives of fisheries management including sustainable use of fish stocks. Methods of monitoring fish stocks such as tagging and stock assessment are described. Regulations for fisheries management including restrictions on fishing seasons, areas, gear and catch sizes are explained. The fishing industry in the Maldives and importance of fisheries resources are also summarized.
Overfishing karina nina_ivoslav_10-7[1]
The document discusses the problem of overfishing and its negative impacts. It notes that fishing rates currently exceed fish reproduction rates, and that overfishing has led to a decline in fish populations and sizes. Certain destructive fishing methods like bottom trawling and gillnetting contribute significantly to bycatch and damage fish habitats. Examples are provided of overfished areas like the cod fisheries in Newfoundland and bluefin tuna in the Mediterranean. Proposed solutions mentioned include establishing no-take marine zones and restricting fishing during fish reproduction seasons.
Presentation irish fishing industry 14.05.2014
Noel Mc Donagh presented on the challenges facing Ireland's fishing industry. He discussed how overfishing has led to fewer fish, forcing fishermen to take more risks working longer hours in worse conditions. This has led to increased fatalities and the closure of many traditional fisheries. Effective management and communication between stakeholders is needed to replenish fish stocks and resume sustainable fishing. The government and EU must provide more support to address the industry's decline for the livelihoods of fishing communities.
Lesson 4 Efforts to increase food production - Fishing In Brunei
Fishing is an important industry in Brunei, as fish consumption is high at 47kg per person annually. However, about 50% of fish needs to be imported. Fishing provides income, protein, and jobs for boat building and net making. The main fishing areas are Brunei Bay, South China Sea, and inland waters. Methods include drift nets, trawling, traps, and cast nets. Issues facing the industry include overfishing, pollution, and destructive practices. The government is working to improve the industry through fish farms, artificial reefs, training, and collaboration. Common fish and seafood caught include anchovies, snapper, pomfret, shrimp, and crab.
Bycatch
The document discusses the issue of bycatch in India's demersal trawl fisheries. It defines bycatch as unintended catch of non-target species and notes that it can have negative ecological impacts by depleting populations. The highest bycatch occurs from trawl fisheries and includes sea turtles, sharks, seabirds, and other species. Potential solutions discussed include using more selective fishing gear, implementing closed areas, and adopting fisheries management strategies to reduce bycatch and encourage sustainability. The conclusion emphasizes the need for more research on bycatch in tropical waters and adopting precautionary policies to reduce environmental impacts.
The seafood industry’s affect on the world’s oceans
The document summarizes issues facing the seafood industry, including overfishing, illegal fishing, bycatch, and environmental impacts of some fishing and aquaculture practices. It notes that overfishing has reduced fish populations to just 10% of original levels and 75% of fisheries are overexploited. Improper aquaculture can also damage habitats and pollute waters. Sustainable solutions proposed include improved management of fisheries through catch limits, protected areas, and more selective fishing gear to reduce bycatch and habitat damage.
Depleting Fish biodiversity
The document discusses the depletion of fish biodiversity along the Indian coast due to overexploitation and environmental changes. It notes that over 70% of the world's fish species are fully exploited or depleted due to poor fisheries management, destructive fishing practices, and excessive bycatch. A study in Kerala found that two popular fish species, Lactarius lactarius and Pampus argenteus, have been depleted. Conservation measures like enforcing bycatch reduction technologies and regulating total fishing efforts are needed to protect marine biodiversity.
Biodiversity - EIS (MEC600)
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chapter11.ppt
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A general evaluation of the shark fishery globally, with a closer look at the...
This document provides an overview of the global shark fishery and focuses specifically on the shark fishery in Trinidad and Tobago. It discusses the commercial importance of sharks globally and identifies threats to shark populations like overfishing. It analyzes catch data and describes the artisanal and industrial fisheries that catch sharks in Trinidad and Tobago, noting a decline in reported landings. It also lists several shark species found in the waters of Trinidad and Tobago and their conservation status.
Gem ppt-40-endangered coral reaf
Coral reefs are diverse underwater ecosystems made up of calcium carbonate structures secreted by coral polyps. They support enormous biodiversity and provide goods and services valued at $30 billion annually, including fisheries that support one billion people and tourism that generates billions for economies like those of Florida and Australia. However, coral reefs are severely threatened by bleaching due to rising water temperatures, pollution, sedimentation, poison fishing, and careless tourism. Conservation efforts include supporting marine protected areas, reducing plastic use, and inspiring others to protect coral reefs for future generations.
Fisheries
This document discusses humans' relationship with fisheries and the challenges of overfishing. It notes that millions depend on fisheries for food, jobs, products, and recreation. However, over 30% of global animal protein comes from the sea, and fishing practices have caused many grounds to decline or become exhausted. Sustainable management of fisheries is needed to prevent population collapse and ensure continued resources, through measures like limiting catch, using selective fishing methods, and creating marine protected areas.
Summary of topic 4.3
Aquatic food production systems provide many food sources for human consumption including algae, fish, shellfish, and other organisms. These systems face sustainability challenges due to overexploitation from fishing and environmental impacts from aquaculture. Effective management strategies like catch limits, marine protected areas, and regulating farm practices are needed to support long-term viability of aquatic food resources.
13 ecosystems2 1
The document summarizes various aquatic biomes and human impacts on marine and freshwater ecosystems. It discusses the characteristics of pelagic and benthic marine biomes, as well as threats like overfishing, pollution, and climate change. It also covers impacts of dams, channelization, and wetland loss on freshwater systems. Overall, the document outlines the major ecosystem types in aquatic environments and human activities that negatively affect these ecosystems.
Fishery in Philippines
Fishery -all the activities connected with the securing of animal and vegetable products from the earth waters.
Fishery products include such items as fish, clams, oysters, lobsters, eels, shrimps, turtles, seals, and whales. Pearl sponges, coral shells, and seaweeds are also included among the products derived from the sea. Fish provides the protein which is needed in the human diet. Fisheries are perhaps the most poorly managed of all the natural resources. The unscientific assumption that man can never exhaust the resources of the sea has placed upon nature the entire responsibility for renewal and replenishment.
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Mysore WhatsApp group:- https://chat.whatsapp.com/EhqtHtCC75vCAX7gaO842N
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#فهم_ماكو_درخ
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Syllabus
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Introduction to objective, scope and outcome the subject
Chapter 2
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Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
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Fishing
- 2. Learning Outcomes Ireland’s fishing history. Overfishing including the reasons for it. sustainable exploitation of fish.
- 3. Over- exploitation of a resource Fish is a renewable resource. The over- exploitation of this resource can lead to its depletion. Most fish are caught along the continental shelf. This means they are caught around the coast of all continents.
- 4. Ireland’s Fishing History: Has many fishing ports. Location beside the Atlantic Ocean. Aided by the continental shelf and shallow waters. Ideal for fish to live and grow. Abundance of plankton Heavily involved in the fishing industry. Income and employment
- 5. Overfishing There has been a lot of over fishing in Ireland. It’s become a major issue causing many people to lose their jobs in the industry. Overfishing occurs for the following reasons:
- 6. Membership of the EEC (EU) When Ireland joined the EU in 1973, we gave up control of our waters. We had to share our fish with other member countries.
- 7. Modern Technology: Sonar technology and radar equipment means fish are easier to locate and catch. Increase in the size of trawlers, they can stay out at sea longer and catch more. They can also process and refrigerate the fish out at sea.
- 8. Mesh: The mesh size in nets used to be small. It meant young fish were being caught.
- 9. Seasons and Quotas: As there was no closed fishing season, all fish could be caught all year round. Fish were not able to replenish themselves. There was no limits on how much trawlers could catch.
- 10. Sustainable Exploitation of fish Many fish are now endangered because of overfishing. Ireland had to limit the amount of fish aloud to be caught. The following steps were taken:
- 11. Steps: The creation of conservation zones around Ireland. The introduction of yearly quotas. A ban on endangered species. Shortening of fishing seasons for some types of fish. An increase in mesh sizes.
- 12. Learning Outcomes Ireland’s fishing history. There was once lots of fish- good plankton numbers= good place for fish to breed. Overfishing including the reasons for it. Membership in the EU, modern technology, mesh sizes and seasons and quotas. sustainable exploitation of fish. Conservation zones, quotas, net sizes, seasons, endangered species.