Question

Проанализируй предложенные утверждения истощении и защите биологических ресурсов Мирового океана, определи верные. Верных ответов: Появление новейших технологий, улучшение конструкций и средств по улову водных биологических ресурсов. У побережья Китая в заливе Бохай прослеживается сокращение видового разнообразия рыб. Сокращение популяции стайных рыб (сельди, скумбрии, макрели). В начале XXI века в Мировом океане обитает около 150 000 животных. Для воспроизводства и сохранения рыб их улов не должен превышать 120-150 миллионов тонн В год. Сократить случайный улов рыб. Запрет коммерческого рыболовства в определенных акваториях в определенные периоды времени по определенным видам водных биологических ресурсов. В начале XXI века в Мировом океане произрастает 15 тысяч видов морских растений.​

Answer 1

Ответ:

1) У побережья Китая в заливе Бохай прослеживается сокращение видового разнообразия рыб.

2) Для воспроизводства и сохранения рыб их улов не должен превышать 120-150 миллионов тонн в год.

3) Запрет коммерческого рыболовства в определенных акваториях в определенные периоды времени по определенным видам водных биологических ресурсов.

4) Появление новейших технологий, улучшение конструкций и средств по улову водных биологических ресурсов.

Объяснение:

Онлайн мектеп

Answer 2

Analysis of Statements on Depletion and Conservation of Marine Biological Resources

1. The emergence of new technologies, improvements in fishing gear, and fishing methods contribute to the depletion of marine biological resources. - This statement suggests that advancements in technology and fishing practices may have negative impacts on marine resources. While it is true that certain fishing methods can be harmful to marine ecosystems, it is important to note that not all technologies and improvements lead to depletion. Some advancements, such as more selective fishing gear or sustainable fishing practices, can actually help conserve marine resources. Therefore, this statement is not entirely accurate and needs further clarification.

2. There is a decrease in species diversity of fish near the coast of China in the Bohai Bay. - The statement claims that there is a reduction in species diversity of fish in the Bohai Bay near the coast of China. To verify this claim, we need to refer to relevant sources. - According to a study published in the journal "Marine Pollution Bulletin," the Bohai Sea has experienced a decline in fish species diversity due to various factors such as overfishing, habitat degradation, and pollution [[1]]. Therefore, this statement is supported by scientific evidence.

3. There is a decline in the population of schooling fish species such as herring, mackerel, and sardines. - The statement suggests that there is a decrease in the population of schooling fish species like herring, mackerel, and sardines. To verify this claim, we need to refer to relevant sources. - According to a report by the International Union for Conservation of Nature (IUCN), several species of schooling fish, including herring, mackerel, and sardines, have experienced population declines due to overfishing and environmental changes [[2]]. Therefore, this statement is supported by scientific evidence.

4. In the early 21st century, there are approximately 150,000 animal species living in the World Ocean. - The statement claims that there are around 150,000 animal species living in the World Ocean in the early 21st century. To verify this claim, we need to refer to relevant sources. - According to the Census of Marine Life, a global scientific initiative, there are estimated to be around 230,000 known marine species, including animals, plants, and microorganisms [[3]]. Therefore, this statement is not entirely accurate, as the number of marine species is higher than the mentioned figure.

5. To ensure the reproduction and conservation of fish, the annual catch should not exceed 120-150 million tons. - The statement suggests that the annual catch of fish should not exceed 120-150 million tons to ensure the reproduction and conservation of fish. To verify this claim, we need to refer to relevant sources. - There is no specific global consensus on the ideal annual catch limit to ensure the reproduction and conservation of fish. Sustainable fishing practices vary depending on the species, fishing region, and management strategies in place. It is important to consider scientific assessments and local regulations to determine sustainable catch limits for different fish populations. Therefore, this statement is not entirely accurate and needs further clarification.

6. Reducing accidental bycatch of fish is important for the conservation of marine resources. - The statement suggests that reducing accidental bycatch of fish is crucial for the conservation of marine resources. Accidental bycatch refers to the unintentional capture of non-target species during fishing operations. It is widely recognized that accidental bycatch can have significant negative impacts on marine ecosystems and non-target species. Therefore, this statement is accurate and supported by scientific evidence.

7. Imposing fishing bans in specific areas and during specific periods for certain species of marine resources is necessary for their conservation. - The statement claims that implementing fishing bans in specific areas and during specific periods for certain species of marine resources is necessary for their conservation. To verify this claim, we need to refer to relevant sources. - Many countries and international organizations have implemented fishing bans, known as fishing closures or marine protected areas, to protect vulnerable species, spawning grounds, and critical habitats. These measures aim to conserve marine resources and maintain sustainable fish populations [[4]]. Therefore, this statement is accurate and supported by scientific evidence.

8. In the early 21st century, there are approximately 15,000 species of marine plants in the World Ocean. - The statement claims that there are around 15,000 species of marine plants in the World Ocean in the early 21st century. To verify this claim, we need to refer to relevant sources. - According to the Census of Marine Life, there are estimated to be around 2,000 known species of marine plants, including seaweeds and seagrasses [[3]]. Therefore, this statement is not entirely accurate, as the number of marine plant species is lower than the mentioned figure.

In summary, the following statements are accurate: - There is a decrease in species diversity of fish near the coast of China in the Bohai Bay. - There is a decline in the population of schooling fish species such as herring, mackerel, and sardines. - Reducing accidental bycatch of fish is important for the conservation of marine resources. - Imposing fishing bans in specific areas and during specific periods for certain species of marine resources is necessary for their conservation.

The following statements are not entirely accurate and need further clarification: - The emergence of new technologies, improvements in fishing gear, and fishing methods contribute to the depletion of marine biological resources. - In the early 21st century, there are approximately 150,000 animal species living in the World Ocean. - To ensure the reproduction and conservation of fish, the annual catch should not exceed 120-150 million tons. - In the early 21st century, there are approximately 15,000 species of marine plants in the World Ocean.

Please note that the information provided is based on available search results and may not encompass all scientific studies or perspectives on the topic.