Revising Lecture 2.9 1.Name and define six elements of ecosystem function. 2.What are the key differences between habitat and niche? In practical terms, why is it important to understand these differences? 3.Explain the concept ‘potential’ niche. How does that differ from ‘realized’ niche? 4.Name, describe and explain the interrelationships among three key limits on biota, providing examples for each. 5.Using light as your focus, describe and explain the interrelationships among growth, productivity and competition. 6.In what ways is water both an environmental condition and resource? 7.How and why is it important that environmental studies is an area of multi- [and even inter-] disciplinary study? A Woman Thinking
Learning Objectives Module 2 Lecture 10 be able to describe and explain a range of ideas and cite a range of examples to show understanding of: –biotic realms –relicts –continuous and disjunct distributions –centres of local endemism –pangeographic nodes –refugia KGA172 Know and be able to (a) employ basic geographical terminology and concepts, (b) find, evaluate, analyse and reference appropriate literature, (c) contribute to debates about development and sustainability Comprehend and be able to explain spatial patterns, generate basic maps, field sketches and graphs, and communicate in written and graphical forms Apply key academic skills and (a) engage in critical thinking, discussion and listening, and in self-reflection and reflection upon the viewpoints of others and (b) research, plan and conduct fieldwork to collect data Analyse and interpret basic spatial, numerical and qualitative information Synthesize and integrate knowledge of social and Earth systems
Textbook Reading Bergman and Renwick (2008) graze through parts of chapter 4.. Critical reading 1. What is the author’s purpose? 2. What key questions or problems does the author raise? 3. What information, data and evidence does the author present? 4. What key concepts does the author use to organize this information, this evidence? 5. What key conclusions is the author coming to? Are those conclusions justified? 6. What are the author’s primary assumptions? 7. What viewpoints is the author writing from? 8. What are the implications of the author’s reasoning? [from Foundation for Critical Thinking]Foundation for Critical Thinking Old Woman Reading a Lectionary, Gerard Dou
Factors affecting the probability of migration and the theory of island biogeography
Theory of island biogeography Diagrams from McArthur and Wilson Theory of Island Biogeography
allele A allele B allele C Distribution of alleles at the Lgg locus Genetic groups within Geocrinia rosea Don Driscoll Roseate Froglet, Karri Froglet (Geocrinia rosea)
The Hawaiian islands are a chain of volcanoes some 4,000km from the nearest continental land mass. Shown are the central islands of Kahoolawe, Maui, Lanai, Molokai and Oahu, from lower right to upper left. Source: P McQuillan
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