One of the biggest threats to biodiversity is habitat loss and fragmentation. You have money to purchase 100 acres for a nature preserve and decide to purchase several, small tracts of land (rather than a single large tract). Which of the following statements would support this strategy?
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- A recent study was carried out by a group of environmentalists to analyze biodiversity levels across different habitats, with data shown in the table below. Based on the information in the table, which of the following statements best describes habitat 3?* Genetic Diversity Species Diversity Habitat Diversity Habitat 1 LOW LOW Medium Habitat 2 Medium High Medium Habitat 3 High Low LOW Habitat 4 Medium Low High O Habitat 3 has likely experienced a bottleneck, as indicated by its low habitat diversity. Habitat 3 likely has faster rates of evolution, as indicated by the high levels of genetic diversity. Habitat 3 likely has species with small populations, as ihdicated by its low species diversity. Habitat 3 likely has species with large habitat ranges, as indicated by its low habitat diversity.Bob Davison describes the Endangered Species Act (ESA) as an effective tool for conserving biological diversity. What is his rationale for the value of focusing on individual species? The public is not concerned about the economic costs of individual species recovery. A focus on individual species is cheaper than protecting entire ecosystems. Establishing public empathy for charismatic species provides an opportunity to educate people about lesser-known species. The public tends to value intact ecosystems over particular plant and animal species.Bighorn sheep are an iconic species in the western United States, however, their population size is drastically lower than it once was historically. These sheep inhabit montane patches surrounded by urban and agricultural landscapes. Accordingly, bighorn sheep can be considered a metapopulation. Wildlife managers would like to increase the patch occupancy of bighorn sheep. Which of the following would be the most effective conservation/restoration strategy? None of these statements is an effective conservation strategy. O Increase patch size and quality, and decrease the distance between patches. O Increase patch size and the distance between patches, and decrease patch quality. O Increase the distance between patches and patchy quality, and decrease patch size. Decrease patch size, distance between patches, and patch quality.
- A conservation group has approached you to provide recommendations for purchasing land to help an endangered species and increase the overall biodiversity of a forest in a landscape that has been fragmented by agriculture. In the landscape, there are several medium to largefragments and a number of small fragments. Provide recommendations to the conservation group about where in the landscape they should devote their limited resources for a maximum impact. Justify your recommendations based on metapopulation dynamics of the endangered forest breeding species and island biogeographytheory (overall biodiversity). A diagram supplementing your written answer is encouraged.What is happening to the forest of Madagascar and what is the outcome? Why is saving the biodiversity of Madagascar so important? Why does Australia have such an unusual variety of spiders? What are five reasons species are becoming extinct? What does it mean for a species to be extinct? Give an example How do invasive species travel or spread to a different ecosystem? Give an example. List and describe five examples of declining biodiversity five actions that individuals can do to help create and support biodiversity?In the Rocky Mountains, valley bottoms provide a high quality wildlife habitat and offer a way for wildlife to move through the mountain environment. However, valleys are also important to humans, as most human activity in the Rockies is confined to the valley bottoms. This results in competition for space between wildlife and humans, which poses a significant problem for both. A wildlife corridor is an area of habitat that connects wildlife populations that are separated by human activities or structures such as roads or development. How do wildlife corridors increase gene flow and maintain diversity in populations?
- NOTE: The image you need to see in order to answer this question is attachedA developer owns the property encompassing the three habitats above. By law, one of the habitats must be left intact to satisfy the zoning laws. The developer works with an environmental engineer to choose which of the habitats should be saved. The environmental engineer suggests that Site C should be saved. Which of the following choices best justifies this decision?Responses A) Site C has greater species richness and species evenness than either Site A or Site B. This will promote the maximum sustainability for future generations of animals. B) Site C is tied with Site A for greatest species richness, but unlike Site A, it has representative species from all 3 of the sites within it. C) Site C not only contains the greatest number of species, it also has the greatest genetic diversity within each species. D) Site C has more unique species in it than either Site A or Site BWhat is the relationship between a pioneer species and primary succession? A pioneer species is an invasive species that causes areas to experience primary succession. There is not a relationship between a pioneer species and primary succession. The pioneer species only occurs in areas of secondary succession. A pioneer species is important in an area of primary succession because it can grow and thrive in areas where most other species cannot. A pioneer species only inhabits areas of primary succession.The Endangered Species Act (ESA) of 1973 has helped to slow the destruction of habitat and the loss of species in the United States. There are now many success stories of animals/plants that were on the edge of extinction and now are returning. Even with the success stories there are many who criticize ESA. I want you to give at least 2 examples (with explanation) that show the success and need for The Endangered Species Act. And give 2 reasons why ESA is still criticized after all these years.
- Fire creates disturbance in the temperate coniferous forest of the Pacific Northwest. Prior to the early 1900s, patchy, moderately intense, and moderately frequent fires created intermediate amounts of disturbance. Following the early 1900s, a policy of fire suppression greatly reduced fires, creating low disturbance. Today, hotter, drier, longer summers are creating extremely large, intense, and frequent fires, which cause severe disturbance. Which of the following most accurately describes how these levels of disturbance affect species diversity? O Low disturbance allows for the greatest species diversity, because all the organisms are allowed to thrive. Severe disturbance allows for the greatest species diversity, because it facilitates colonization by r-selected species. Moderate disturbance allows for the greatest diversity, because it allows both early and late successional species to exist within an ecosystem. Disturbance does not generally affect species richness. Severe…A conservation organization has hired you to lead efforts to reduce the loss of biodiversity in a tropical country. Which of the following problems would you focus on first and why: habitat destruction and fragmentation, hunting and fishing activity, harvesting of wild species for commercial sale, or introduction of exotic organisms?Which aspect(s) of biodiversity is/are impacted by each example? Explain your reasoning. Bottleneck events Farming (monoculture) Habitat destruction Invasive Species Climate Change Acid Rain