Four of the five listed outcomes are problems in National Parks. Choose the one that is the exception. O Introduction of nonnative species Killing of native species Polluted air Agricultural runoff O Deferred repairs of infrastructure
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- Describe the potential effects when a keystone species is removed from a community.Give two examples of the benefits gained by theintroduction of nonnative species. Give two examplesof the harmful effects of nonnative species that havebeen introduced deliberately and two examples of thesame for accidentally introduced species. Explain whyprevention is the best way to reduce threats frominvasive species and list four proposed ways to implement this strategyMatch the challenges of protected area management to some of the potential solutions. Increase funding for protected area management Fences and compensation programs Multiple-use areas with oversight and regulating policies Preserve elevational and environmental gradients, corridors, and climatic refugia Remove animal products from circulation, educate the public about the pros and cons to conservation Address poverty and enforce regulations 1. Poaching 2. Trophy hunting 3. Human-wildlife conflict 4. Degradation 5. Climate change 6. Lack of resources and personnel
- Match the following solutions to examples that address problems for biodiversity. Ais-Richtersveld Transfrontier Park The Global wildlife program Haida Gwaii Watchmen Salmon recovery in Terra Nova National Park 1. Land managers have a responsibility to listen to local people's perspectives. 2. Conservation actions are difficult to coordinate between countries. 3. International organizations provide technical and financial support to developing countries. 4. Train and hire local people to work in protected areas.The greatest SINGLE threat to most species of plants and animals is: Question 17 options: - chemical pollution of water and soil - buildup of toxic substances in food webs. - competition from invasive species over-harvesting for human consumption/use. - habitat destruction/alterationA keystone species is not necessarily abundant in a community but has a large impact on surrounding species and community structure. True O False
- Match the following solutions to examples that address problems for biodiversity. Habitat Stewardship Fund for Species at Risk Ecological Gifts Program A Gas Guzzler Tax Mission Monarch 1. Train more scientists. 2. Financial subsidies to industries that damage the environment should end. 3. Establish payments for land managed to enhance conservation. 4. Fund NGOs to implement conservation.Which of the subsequent options is not included in the red list criteria for species classified as "critically endangered"? 1. The population is projected to decrease by 25% or more within a span of 3 years or 1 generation. 2. The species possesses a limited range of less than 100km2 in a solitary location, and there is evidence of or anticipated habitat loss, fragmentation, ecological imbalance, or significant commercial pollution. 3. The likelihood of extinction exceeds 50% within a timeframe of 10 years or 3 generations. 4. The overall population size consists of fewer than 200 mature individuals.Which of the following is not a part of the red list criteria for "critically endangered" species? The population is expected to decline by 25% or more within 3 years or 1 generation. The species has a restricted range <100km2 at a single location and there is observed or predictive habitat loss, fragmentation, ecological imbalance or heavy commercial pollution. Extinction probably is greater than 50% within 10 years or 3 generations. The total population size is less than 200 mature individuals.
- An ecosystem that is highly capable of recovering and regenerating through secondary succession after a disturbance is exhibiting high resilience. True FalseFor each of the following statements about a keystone species, select true or false. 1. Keystone species generally have a low abundance compared to other species in the community. [ Select ] 2. Removal of a keystone species leads to large changes int he community. [ [ Select ] 3. Keystone species directly interact with every other species in the community. [ [ Select ] 4. Relative to its population size, keystone species have a high impact on the community. [ [ Select ]T or F Edge habitat always provides differential access to one habitat type when resources are spatially separated. Birds nesting in edge habitats can be exposed to increased rates of nest predation. Edge habitats often become intermediate between the two adjacent habitats The three general mechanisms by which edge habitats can become different from core habitat include abiotic factors, access and species interactions.