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Invertebrates
Animals having no backbone or spinal column, such as insects, mollusks, crustaceans, worms, and similar organisms.
Subtopics:
Arthropods (32 items)
Bryozoans and brachiopods (1 items)
Coelenterates (13 items)
Conodonts (2 items)
Echinoderms (2 items)
Mollusks (14 items)
Sponges (2 items)
Tunicates (2 items)
Worms (2 items)
Related topics:


Results 45 - 63 of 63 listed by similarity [list alphabetically]
Patuxent Wildlife Research Center monitoring projects [More info]
Biomonitoring projects studying the status and trends of the nation's environmental resources and programs studying amphibians and birds. Links to long-term programs, resources and references, and related links.
PDF Phage therapy for Florida corals? [More info]
Explains how some diseases affecting corals might be countered by viruses that infect disease-causing bacteria.
PDF Plague [More info]
History, pathology, and prospects for this historic disease that is still prevalent in animals and remains a threat to humans.
Pollinators, plants, and prosperity [More info]
Six short news articles about ecological problems faced by pollinator species in various parts of the US. Taken from "People, Land, and Water", the newsletter of the Department of the Interior.
Protecting the Nation's coral reefs [More info]
Report on problems in preserving coral reef ecosystems with links to information on the interagency U.S. Coral Reef Task Force, press releases, reports, and NOAA coral reef sites.
Recent changes in the food web of Lake Erie - the role of phosphorus and zebra mussels [More info]
Brief overview of the proliferation of zebra mussels and the role of phosphorus in Lake Erie with links to publications related to Lake Erie water quality.
PDF Red-Rimmed Melania (Melanoides tuberculatus) - A Snail in Biscayne National Park, Florida - Harmful Invader or Just a Nuisance? [More info]
Explains how this potentially harmful invasive species arrived, why we are concerned, where in the area it is found, what environmental factors control its spread, and what might be done in response.
Salinity variation in an estuary used for oyster cultivation in southeastern North Carolina during the passover of the eye of Hurricane Bertha [More info]
Review of a study monitoring changes in salinity in Alligator Bay, NC during a 1996 hurricane due to the influx of fresh and saltwater and the effect it would have on oyster aquaculture.
Salvinia molesta, Salvinia weevil, Salvinia minima [More info]
Life history and identification of Salvinia species, a floating, rootless tree fern and a noxious aquatic weed. Site includes posters, instructions on submitting sightings, how to subscribe to a listserv on the weed, and a bibliography.
PDF Selenium and stable isotopes of carbon and nitrogen in the benthic clam Corbula amurensis from Northern San Francisco Bay, California: May 1995-February 2010 [More info]
Monthly selenium concentration in this keystone species shows strong spatial and seasonal variation in a five-year series of analyses.
Southeast Ecological Science Center - poster presentations [More info]
Poster presentations related to Greater Everglades, marine and coral studies, ecotoxicology, manatees, coastal ecology, nonindigenous aquatic species, coastal ecology, freshwater fisheries, and herpetology.
PDF Southwest Caves Reveal New Forms of Life [More info]
These lightless and nutrient-poor natural systems are home to life forms found nowhere else on Earth. Three new genera and at least 15 new species have been discovered here.
Stoneflies of the United States [More info]
Links to checklists and species maps showing the distribution of stoneflies in the United States with links to other information websites on stoneflies and reference list.
Tiger beetles of the United States [More info]
Links to checklists and species maps showing the distribution of tiger beetles in the United States with links to photographs, other information websites on invertebrates, and reference list.
PDF Toxicity and bioavailability of metals in the Missouri River adjacent to a lead refinery [More info]
Report (PDF format) on an evaluation of the potential environmental impacts of contaminated ground water from a metals refinery adjacent to the Missouri River in Omaha, Nebraska testing water and sediments for contaminants and toxicity.
PDF USGS St. Petersburg Coastal and Marine Science Center--Research activities in the U.S. Virgin Islands [More info]
Explains type of information we collect and the problems we study in this area, focusing on coral reef ecosystems, ocean acidification, and sea-level change.
PDF USGS Zebra Mussel Monitoring Program for north Texas [More info]
General characteristics of this invasive freshwater mollusk, focusing on how we monitor its presence and migration through this region.
West Nile Virus (WNV) [More info]
National Wildlife Health Center studies the West Nile Virus to learn the current geographic extent, to understand how the virus moves between birds, mosquitoes, and humans, and to predict future movements of the virus.
Whales and walrus: tillers of the seafloor [More info]
Report on sea floor marks in the Northeast Bering Sea and Chukchi Sea that were identified as pits and furrows caused by whales and walruses in the process of feeding on bottom crustaceans.
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