Question

Каспийский тюлень единственное морское млекопитающее на Каспии, уникальный эндемичный вид, который занесен в Красную книгу Международного Союза охраны природы как вид, находящийся под угрозой исчезновения. Учитывая предложенный контекст, дайте ответы на вопросы. Назовите факторы, влияющие на исчезновение каспийского тюленя._________________________________________________________________________ Объясните, к каким последствиям может привести исчезновение каспийского тюленя для экосистемы Каспийского моря. ____________________________________________________________________________________________________________________________________________________ Предложите путь по спасению каспийского тюленя. ____________________________________________________________________________________________________________________________________________________ ​

Answer 1

Ответ:

1. Загрязнение воды нефтепродуктами. Повышение количества микропластика в воде.

2. Это может нарушить экосистему, могут исчезнуть животные, которые ими питаются.

3. Прежде всего, нельзя сорить на побережьях и установить плавающие барьеры для очистки. Нужно исключить выбросы нефти и отходов.

Объяснение:

Надеюсь, что помог

Answer 2

Factors influencing the disappearance of the Caspian seal:

The disappearance of the Caspian seal is influenced by several factors. Some of the key factors include:

1. Hunting and poaching: The Caspian seal has been hunted for its fur and meat, which has significantly contributed to its decline. Poaching continues to be a major threat to the population of Caspian seals [[1]].

2. Habitat degradation: Human activities such as oil and gas exploration, pollution, and coastal development have led to the degradation of the Caspian seal's habitat. These activities have resulted in the loss of suitable breeding and feeding grounds for the seals [[2]].

3. Overfishing: Overfishing in the Caspian Sea has led to a decline in the availability of prey species for the Caspian seal. This scarcity of food negatively impacts the survival and reproductive success of the seals [[3]].

4. Climate change: Climate change has had a significant impact on the Caspian Sea ecosystem. Rising temperatures, changes in ice cover, and alterations in water salinity can affect the availability of food and disrupt the breeding patterns of the Caspian seal [[4]].

5. Disease outbreaks: Outbreaks of diseases, such as the phocine distemper virus, have had devastating effects on the Caspian seal population. These diseases can spread rapidly among the seals and cause mass mortality events [[5]].

Consequences of the disappearance of the Caspian seal for the Caspian Sea ecosystem:

The disappearance of the Caspian seal can have several consequences for the Caspian Sea ecosystem:

1. Imbalance in the food chain: Caspian seals play a crucial role in maintaining the balance of the Caspian Sea food chain. Their disappearance can disrupt the natural predator-prey dynamics, leading to an imbalance in the ecosystem [[6]].

2. Impact on fish populations: Caspian seals primarily feed on fish, and their absence can result in an increase in fish populations. This can lead to overfishing and depletion of fish stocks, affecting the livelihoods of local communities dependent on fishing [[7]].

3. Loss of biodiversity: The Caspian seal is a unique and endemic species in the Caspian Sea. Its disappearance would result in a loss of biodiversity and reduce the overall resilience of the ecosystem [[8]].

4. Altered nutrient cycling: Caspian seals contribute to the nutrient cycling in the Caspian Sea through their feeding and excretion. Their absence can disrupt this process, potentially affecting the productivity of the ecosystem [[9]].

Proposed measures for the conservation of the Caspian seal:

To ensure the survival of the Caspian seal, several conservation measures can be implemented:

1. Enforcement of hunting regulations: Strict enforcement of hunting regulations and penalties for poaching can help reduce the illegal hunting of Caspian seals [[10]].

2. Habitat protection: Establishing protected areas and marine reserves can help safeguard the Caspian seal's breeding and feeding grounds from habitat degradation and human activities [[11]].

3. Sustainable fishing practices: Implementing sustainable fishing practices, such as setting catch limits and promoting responsible fishing methods, can help ensure an adequate food supply for the Caspian seal [[12]].

4. Monitoring and research: Continuous monitoring of the Caspian seal population, their habitat, and the factors affecting their survival is essential for effective conservation. Research can provide valuable insights into the species' biology, behavior, and ecological requirements [[13]].

5. International cooperation: Collaborative efforts among countries bordering the Caspian Sea, as well as international organizations, are crucial for the conservation of the Caspian seal. Sharing knowledge, resources, and implementing joint conservation initiatives can enhance the effectiveness of conservation measures [[14]].

Remember, these are just some proposed measures, and the actual implementation and success of conservation efforts may vary based on various factors.