BIO120H1 Lecture Notes - Lecture 14: Nectar, Giant Armadillo, Temperate Climate

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Lecture 14: what darwin saw: a geographical perspective on biodiversity and adaptation. In his 20s; a ship"s naturalist (cid:159) most times in south america (cid:159) observed fossils, geographical distribution of plants and animals, and flora and fauna of oceanic island. Live in oak woodland in england, characterized by low species diversity (cid:159) Very high species diversity of plant and animal groups compared with temperate zone. (cid:159) many biotic interaction, especially coevolved mutualisms between plants and animals (cid:159) Tropical forests have high species diversity and individuals of the same species are widely separated-unlikely temperate forest. Tropical forests are also largely evergreen (non-deciduous) unlike most temperate forests. Dense canopies and long-distances between trees make winds a poor agent of pollen dispersal; animals are more effective pollinators. Bee, butterfly, moths, bird and bats pollinate most tropical trees; most temperate tree wind pollinated (cid:159) (cid:159) (cid:159)

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This part of the activity focuses on some of the key methods that have been useful in protecting endangered species and protecting biodiversity, including hunting and fishing regulations, creating parks and refuges, the Endangered Species Act, and recovery plans that aim to protect the habitat of rare or endangered species. As an example, there are many rare and unique species of both plants and animals in New Zealand. Nearly 1,000 years ago, though, colonists to the area introduced rats and other invasive species of plants and animals that began to harm the native ecosystems. At Kapiti Island, a recovery plan created a wildlife refuge, eliminated the non-native species such as goats, pigs, rats, and dogs and brought back native plants and animals such as the Kiwi bird. Instructions Review the Case Study at the beginning of Chapter 11, entitled âHow Can We Save Spotted Owls?â and Section 11.1, entitled âBiodiversity and the Species Conceptâ and Section 11.2, entitled âWhat Threatens Biodiversity?â Spotted owl populations have suffered from habitat destruction, while native species in New Zealand have suffered from invasive species; these are two types of threat to biodiversity. Consider other threats as put forth in Chapter 10, as well as the implications of biodiversity loss for humans. Open Google Earth, and in the search box enter: Kapiti Island, Wellington, NZ. Click Search. 1. How big is Kapiti Island? Zoom way in and explore the island some. What evidence is there that this island is being preserved as a natural area?

BIO120H1 Lecture Notes - Lecture 14: Nectar, Giant Armadillo, Temperate Climate

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