Aquatic Food Production - 题库网 (tiku.one)

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1#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Chilean purse seine harvesting Mackerel off the uis6xf mjn ;c 2q01+focoast of Peru

Deduce which of the following terms would best describe the process shown in the figure.

A. Sustainable fisheries

B. Small-scale fisheries

C. Aquaculture

D. Commercial fisheries

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify which of the following are the major producers in 1.9m gh yqvwu+aquatic ecosystems.

A. Small fish species

B. Grasses

C. Phytoplankton

D. Seaweed

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Atlantic Cod Fisheries off the Coast of Easte x nb;a.nh1z4 ogl:e j3a1p:zgrn Canada 1850-2000

Use the Figure to estimate the year the Atlantic cod fishery harvest was the greatest.

A. 1960

B. 1965

C. 1970

D. 1990

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

International conflict fr:iyjb 4fp;3s can occur over disputes between countries regarding commerciaj f4riy3fp:;bl fishing practices.

Identify which is not a way of mitigating (reducing) these disputes.

A. Removing strict laws that govern fishing practices

B. Adding more multi-government legislation on commercial fishing

C. Furthering education on more sustainable methods of fishing

D. Creating organizations and commissions to better govern current fishing practices in international waters

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Atlantic Cod Fisheries of the Co2lxb0w23f 2wk xcny :f 6qc4ysast of Eastern Canada 1850-2000

Identify the most likely cause of the significant decrease in the number of fish caught seen in the early 1970s.

A. Climate change

B. A fish disease

C. Ocean current changes

D. Overfishing

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Chilean purse seineik5ubree 6r/syn 7n2, harvesting Mackerel of the coast of Peru

Identify a possible negative environmental impact of the method shown in the Figure.

I.
Bycatch - non-desired fish species are caught as well
II.
Overfishing due to the volume of each catch
III.
Changes to ocean currents
IV.
Damage to ocean ecosystems through nets being dragged

A. I and II only

B. I, II, and IV only

C. I, II, and III only

D. I, II, III, and IV

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

State which of the following is not true about phytopla8u+vr 6k(jgyg1odxgm a wt jrjp6):(6nkton.

A. They are the base of aquatic food chains.

B. They are photosynthetic organisms.

C. They produce almost half of the earth's oxygen.

D. They live at the bottom of the ocean.

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Outline how aquaculture can impact its surrounding enlxy+im/,x- ed vironment.

A. Aquaculture has no negative impacts as it can be controlled well and does not involve the addition of extraneous compounds

B. The use of genetically modified fish can lead to an increase in biodiversity when these fish reproduce with wild species.

C. Aquaculture can include the use of antibiotics and hormones, which can spread through the water and impact other aquatic organisms.

D. Fish feed can accumulate in the system, leading to an increase in phosphates and nitrates that can biomagnify across the food chain.

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Global Seafood wwkd is h/, bu5mqv2:hv7v7d :Production from 1960 - 2015

The figure above shows the rise of both aquaculture and wild capture fisheries over the years. Explain which of the below is not a reason for the increase seen in the figure.

A. All fish produced in both systems are cheap and therefore accessible to a larger percentage of the earth's population.

B. Population increase has been very rapid and requires a range of resources to feed the growing population.

C. More people are choosing fish as their protein of choice as it is much lower in emissions as compared to beef.

D. Seafood is considered a healthier option and thus has become a staple food for many trendy diets.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Number of whales killed ar7y2r a6jkjqnn ;sn/ dz)zvg9.y0m3 globally from 1900 to 2012

Commission (IWC) agreed to a pause in commercial whaling, which came into action in 1987.

To what extent has the IWC been successful in the conservation of this controversial species?

A. The IWC was very successful in limiting commercial whaling, as the number of whales killed decreased after the agreement.

B. The IWC was successful in limiting commercial whaling as the numbers started to decrease starting in 1970.

C. The IWC was successful in limiting commercial whaling; however, it can be seen that there are still incidences of commercial whaling.

D. The IWC was not successful in limiting commercial whaling, as it can be seen that there are still incidences of commercial whaling.

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: The Maximum sustainable yield (MSY) of fish szed c*t.agmazhnl:7w.d r. l)08qv4y tocks.

Determine which of the points 1, 2 or 3 from the figure above represents the most sustainable harvest of fish.

A. None of the points represent a sustainable harvest of fish as they are all overfished.

B. Point 1 represents the most sustainable harvest as it is below the MSY.

C. Point 2 represents the most sustainable harvest as it is on the MSY.

D. Point 3 represents the most sustainable harvest as it is below the MSY

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify which of the following i q kbj7.4xf s5.cpkjwjntv;+5s true about aquatic food production systems.

A. Aquaculture refers to the harvesting of naturally living resources from their ecosystem.

B. The epipelagic zone, from the surface down to 200m deep, is the area of the ocean where light and nutrients are most abundant.

C. Harvesting of aquatic organisms is usually done in deep oceans due to their high biodiversity.

D. Marine ecosystems are plentiful on Earth (70% of Earth's surface) and thus, resources can be harvested without concern for sustainability.

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13#

填空题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by region 19d xeq0g/d2gt 1qhmt+9 88-2020

(i) Identify the region of the world that harvested the second-largest amount of fish in 1990.

(ii) Estimate the amount caught by that region in that year. About tonnes.

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14#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by region 1988-2el, + 6vmwb+ir020

Capture fisheries involve species that are generally higher up in the food chain, often feeding as secondary consumers. Suggest two possible impacts overfishing of these species might have on the ecosystems they belong to.

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15#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by ra e( oyaudv.5i3wv.g3 nx-p+fegion 1988-2020

Explain two possible reasons East Asia and Pacific fisheries caught significantly more fish than other regions after 1996.

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16#

填空题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by regxrm:5 sqyko-8 ion 1988-2020

Distinguish between the overall trends for Latin America and the Caribbean and South Asia from 1988 to 2020.
The catch in Latin America and the Caribbean is .
The catch in South Asia is .

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17#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Figure: Capture fisheries by region 1988-202 c w7f:0qa2 /da eu:qz(iv rbo6erz0e*0

Most countries' capture fisheries are not currently practising sustainable fishing methods. Aquaculture is fast overtaking capture fisheries in the amount of tonnes of food fish being produced. Considering these facts, predict one way the trends seen on this graph might appear over the next 20 years (2020 to 2040).

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18#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Outline two benefits9j 88mt gfctx+ and two drawbacks of the global growth of aquaculture.

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19#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

“Both capture fisheries and aquaculture are necessary processes that negqux2a:1tgpp as +8 5fed to be continued into the future for the benefit of humankind.'g8aa q+p5fsp2x ug :1t'

Evaluate several considerations in support of this statement.

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