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Ecological Core Concepts -- Human impacts -- Biodiversity loss

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View Resource A grey tree frog (Hyla versicolor).

A grey tree frog (Hyla versicolor). Amphibian species are declining globally, and pesticides may play a role, but their concentrations are often low in nature. Carbaryl is a common pesticide that can...

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http://www.esajournals.org/doi/abs/10.1890/02-5298
View Resource An Assessment of Assemblage Nestedness in Habitat Fragments

This experiment illustrates how ecological theory can help conserve native species in a fragmented landscape. It is germane to units on biogeography, human impacts on ecosystems, landscape...

View Resource Biodiversity Responses across a Gradient of Human Influence

To investigate how species, communities, and habitats change over the rural-urban (or pristine to human-dominated) gradient students conduct a series of biological inventories, field measurements,...

View Resource Drought in East Africa

These Landsat images show Kenya’s Masai Mara Reserve on December 4, 1994, a year with normal rainfall, and November 27, 2009, a year when the rains failed and a severe drought overtook the land. The...

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http://scenechanges.org/dinesen.php
View Resource Effects of artificial lighting along a beach on loggerhead sea turtles (Caretta caretta)

Example of artificial lighting along a beach. Artificial lights inhibit the reproduction of loggerhead sea turtles (Caretta caretta) in two ways. First, adult females tend to avoid laying their eggs...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change [resource group]

A collection of slides about the effects of frost on Colorado wildflowers at the Rocky Mountain Biological Laboratory (RMBL). RMBL is a high-altitude field research station at 9,500 feet in the...

http://ecoed.esa.org/index.php?P=AdvancedSearch&Q=Y&FK=%22Ef...
View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 01 of 22

A view of the Rocky Mountain Biological Laboratory, a high-altitude field research station at 9,500 feet in the Colorado Rocky Mountains. RMBL has supported field work since it was founded in 1928,...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 02 of 22

An example of a late spring frost and snow event at the Rocky Mountain Biological Laboratory (RMBL), at 9,500 feet in the Colorado Rocky Mountains. This photograph was taken on 13 June 2001, when the...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 03 of 22

Date of winter snowpack melt during the past 36 years at Rocky Mountain Biological Laboratory. A trend toward earlier snowmelt was noted during the study period, though the correlation was not...

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View Resource Effects of frost on wildflowers: an unexpected consequence of climate change--image 04 of 22

A graphical representation of a frost event at the Rocky Mountain Biological Laboratory (Colorado). The temperature dipped to 25.1 F on 11 June 2004. Winter snowpack melted at the monitoring...

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