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Terrestrial ecosystems
Communities of living organisms in a specific geographical location which exist primarily on land and not in water.
Subtopics:
Coastal ecosystems (38 items)
Desert ecosystems (12 items)
Forest ecosystems (23 items)
Grassland ecosystems (16 items)
Island ecosystems (1 items)
Shrubland ecosystems (6 items)
Tundra ecosystems (4 items)
Related topics:


Results 91 - 100 of 106 listed alphabetically [list by similarity]
The Marine Realms Information Bank family of digital libraries: Access to free online information for coastal and marine science [More info]
An introduction to three related USGS digital libraries: the general-purpose Marine Realms Information Bank (MRIB); the regionally focused Monterey Bay Science (MBS) Digital Library; and the topically focused Coastal Change Hazards (CCH) Digital Library.
PDF The Yukon River Basin Active Layer Network: A cooperative project between the Yukon River Inter-Tribal Watershed Council and the U.S. Geological Survey [More info]
Monitoring soil temperature, soil moisture, air temperature, and overall thickness of the soil and sediment that is above the permafrost, therefore undergoing freeze-thaw cycles. Climate change may affect this active layer; we want to know how it does.
The fragile fringe: a guide for teaching about coastal wetlands [More info]
Teacher's guide on coastal wetlands to aid in developing lesson plans for different levels of grade school and high school students. Includes general information, activities, references, and glossary.
The heat is on: Desert tortoises and survival (video) [More info]
30-minute video (and transcript) about desert tortoises, their habitats, and USGS efforts to aid their recovery.
U.S. Geological Survey (USGS) Western Region Kasatochi Volcano Coastal and Ocean Science [More info]
Long-term studies to better understand the effects of the eruption and the role of volcanism in structuring ecosystems in the Aleutian Islands, a volcano-dominated region with high natural resource values.
USGS Pacific coral reefs website [More info]
Overview of research in the Hawaiian Islands and Guam to gain insight into the structure of coral reefs, to provide the basis for future monitoring, and to understand the influences of natural processes and human activities on coral reef health.
PDF Unearthing Secrets of the Forest [More info]
Understanding how carbon and nutrients cycle in forests (forest biogeochemistry) is crucial for evaluating productivity, composition, diversity and change in forests.
PDF Using science to strengthen our Nation's resilience to tomorrow's challenges: understanding and preparing for coastal impacts [More info]
Specific steps that USGS is taking to gather scientific information that will help coastal communities prepare for changes, both sudden, like hurricanes, and gradual, like rising sea level.
Vegetation recovery after fire in the Klamath-Siskiyou region, southern Oregon [More info]
Summarizes studies that took place in this ecoregion. Some studies occurred in areas without post-fire management, and others in moderately or intensively managed areas. Some of the research also occurred immediately after a wildfire, and other work occur
Water resources of Maine - Projects [More info]
Summary of USGS programs in Maine relating to data collection and hydrologic studies of streamflow, ground water, coastal areas, and ecosystems.
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