Topic 3.3: Threats to Biodiversity Questions

In Tangkoko reserve on Sulawesi, Indonesia, more and more visitors come to see tarsiers, tiny big-eyed primates, and crested macaques. Outline one advantage of increased tourism on wildlife conservation in the reserve.

About two-thirds of the ocean lies beyond any country's waters. Outline why the Convention on Biological Diversity aims to identify important marine areas outside national jurisdiction.

Every California condor alive in 1987 was taken into zoos to be bred. Define the term ex situ conservation.

Figure 1 is a fact file on two approaches to conservation in Stellbrook, a made-up city. Figure 2 shows what an unmown roadside verge provides.

Volcanoes National Park in Rwanda is home to mountain gorillas. The number of visitors on gorilla treks has grown each year. Outline one advantage of increased tourism on gorilla conservation.

A rare beetle lives only in one small forest in Portugal. It has no known use to people. Outline one ethical argument for preserving the beetle.

Some people want a forest left untouched; others want it managed for timber and tourism. Define the term environmental value system.

In 1982 the fishing families of Apo Island in the Philippines set up a no-fishing sanctuary on part of their coral reef. Fish catches around the sanctuary later rose, and divers now visit the island. Identify one social argument for preserving the reef.

Figure 1 is a fact file on two approaches to conservation in Harwick, a made-up city. Figure 2 shows what a log pile provides.

Figure 1 is a fact file on two approaches to conservation in Novara Bay, a made-up coastal city. Figure 2 shows what a replanted seagrass meadow provides.

Kruger National Park in South Africa receives more self-drive visitors every year, and new roads and camps have been built for them. Outline one disadvantage of increased tourism on wildlife conservation in the park.

A wildlife documentary series about coral reefs was watched by millions of people. Suggest the importance of education such as this series to the conservation of biodiversity.

Green turtles nest on the beaches of Tortuguero, Costa Rica, and the number of tourists joining night tours to watch them lay eggs is rising. Outline one disadvantage of increased tourism on turtle conservation.

A ranger team in Brazil uses satellite images to detect new clearings in a protected area and responds quickly. Identify the type of action this represents.

The Pantanal of Brazil, Bolivia and Paraguay is the world's largest tropical wetland. State one commercially traded product and one ecosystem service (not a commercial product) provided by the natural capital of the Pantanal.

A critically endangered frog is kept in a laboratory, where eggs are raised and tadpoles grown to adults for later release. Identify whether this is a species-based or a habitat-based strategy.

Beavers escaped or were illegally released on the River Tay in Scotland from about 2006. By 2020 hundreds lived along the river, which flows through rich farmland. Identify one potential problem with the reintroduction of beavers to the River Tay.

A country wants to save a rare tree species by protecting it away from the forest where it grows. State one ex situ measure it could use.

A coastal village in Vietnam wants to protect its mangrove forest. State one ecosystem service provided by the mangroves that gives an ecological argument for preserving them.

Beavers were found living wild on the River Otter in Devon, England, in 2008. After a five-year trial, they were allowed to stay in 2020. The trial found that their dams held back water after heavy rain. Identify one benefit of the reintroduction of beavers to the River Otter.