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Core Concepts is Ecological Core Concepts -- Communities -- Spatial and temporal dynamics

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		Comparing the Influence of Precipitation, Fire, and Topography on Plant Productivity in the Tallgrass Prairie This Data Set allows students to use long-term data from Konza to explore the relationships between multiple characteristics of a tallgrass prairie ecosystem and the productivity of prairie plants....		More Info
		http://tiee.esa.org/vol/v3/issues/data_sets/konza/abstract.h...

		Decomposition and Soil CO2 Emission Students investigate the factors that control the rate at which CO2 is emitted from soil using simple soil chambers and soda lime in a field experiment. Students in small groups design and conduct...		More Info

		Ecology of Habitat Contrasts: An Example from the Holyoke Range, MA This Experiment introduces students to a local ecosystem and what ecologists do: observe and describe patterns in organisms and then attempt to explain why those patterns exist. In the example used...		More Info
		http://tiee.esa.org/vol/v1/experiments/holyoke/pdf/holyoke.p...

		Elk (Cervus elaphus) search for food through snow in winter in the Rocky Mountains. Elk (Cervus elaphus) and other ungulates in the Rocky Mountains of North America must cope with food shortages and severe weather during winter. The strength of density-dependence in these ungulate...		More Info
		http://www.esajournals.org/doi/abs/10.1890/05-0355

		Heavily browsed willows (Salix spp.) on the floodplain of East Blacktail Creek, in Yellowstone National Park, Wyoming, during peak spring runoff. The floodplain lacks young willows (Salix spp.) and is dominated largely by upland grasses and herbaceous dicots. Bank and channel erosion are prominent. Willows decreased in stature and abundance...		More Info

		Issues in Ecology, Issue 11: The Role of Nearshore Ecosystems as Fish and Shellfish Nurseries This report defines the role of nearshore ecosystems, such as wetlands and seagrass meadows, as nurseries for populations of fish and shellfish that may be of commercial value to humans. The...		More Info

		Long Term Changes in Marine Fisheries This Issue focuses on a research article by Barange (2003) that was published in Frontiers in Ecology and the Environment. The article discusses long-term (inter-decadal and longer) patterns of...		More Info
		http://tiee.esa.org/vol/v2/issues/frontier_sets/marine/abstr...

		Rapid Adaptation of Bean Beetles to a Novel Host Bean beetles (Callosobruchus maculatus) are phytophagous insects that lay their eggs on the surface of several species of beans in the family Fabaceae. Larval development is completed within the...		More Info
		http://www.beanbeetles.org/protocols/rapid_adaptation/synops...

		The East Front of the Northern Rocky Mountains in Montana showing the transition between prairie and forest. The East Front of the Northern Rocky Mountains in Montana shows the transition between prairie and forest. In this region, limber pine (Pinus flexilis) is an early successional tree. It facilitates...		More Info

		The rocky intertidal at Santa Cruz Island, California. Mussels in the rocky intertidal experience rapid fluctuations in aerial body temperature during low tide. Because of variability in tidal and climatic regimes, geographic gradients in body...		More Info

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