PPT-Is subterranean biodiversity mediated by burrowing crayfish

Brian Helms 1 and Jim Stoeckel 2 1 Department of Biological Sciences 2 School of Fisheries Aquaculture and Aquatic Science Auburn University AL 36849 Role of crayfishes in ecosystems Consumers. The complexity and rich diversity of life found in forests provides many vital services to human beings Nonetheless humans are destroying forest biodiversity at an alarming rate The conversion of forests to agricultural land overgrazing unsustainabl Active Burrowing Owl nests burrows can be identified by the presence of excrement whitewash and prey pellets at their entrance see back Like the San Joaquin Kit Fox Burrowing Owls use abandoned rodent burrows for roosting and nesting cover In areas Prelab. 2010. United streaming: crayfish 10:44.  . Youtube. - crayfish external anatomy. http://www.youtube.com/watch?v=rZ-7LF5AkGs. 6.21.  . internal. http://www.youtube.com/watch?v=rpkiNLhCBMU&feature=related. Are changes in physical forms or behaviors brought about by natural selection that enable an organism to better survive in its natural habitat.. Many adaptations have to do with getting food and oxygen, moving or staying in one place. Worms species come in three general categories. Litter . dwelling (. Epigeic. ). Soil dwelling (Endogenic). D. eep burrowing (. Anecic. ). Identifying Adult Worms. Adult worms have a thickened segment in their mid section that houses their . Arthropoda. Characteristics. Makes . up . 3/4. . of all animal species. Includes insects, spiders, scorpions, millipedes, centipedes, crabs, lobsters, & crayfish. Arthropod means . ". jointed. Our group is researching, “Which . macroinvertebrate. has the most mercury when compared throughout the trophic pyramid?” . Macroinvertebrates. are insects without a backbone that can be seen with the naked eye.  Mercury is an element that can be found in water, air and soil or sediment. There is more than one specific type of mercury like inorganic, organic, elemental, and metallic (metal). Mercury can also give off toxic vapors which is dangerous for the environment because they are clear, odorless, and invisible, so we don’t even know they are evaporating because we can’t see or smell them. Mercury’s chemical symbol is Hg, which comes from the Latin word . Vocabulary. Subterranean: . (page 70). Adjective. A.  . subterranean.  river or tunnel is under the ground. ..  ■ EG:    ⇒ The city has 9 miles of . subterranean . passages..  . Unbeknown: . 1 SYSTEMS Surface openings of subterranean features reaching as far as natural light can penetrate (i.e., twilight zone) and connected underground rooms and passages beyond natural light penetration Incidental Aquaculture in California's Rice Paddies. . Scott Brady. California State University-Chico. Rice production is concentrated on a 10-14 inch thick, impermeable clay soil layer called the Stockton Clay Adobe. This soil’s impermeability makes paddy rice production possible. The rice growing region experiences a Mediterranean climate. Rice is planted in April and May and harvested between September and October.. It is the variety of all the different living things and their homes on the planet. . BIO. . DIVERSITY. Bio= biological organisms . -living things!. diversity= the amount of variation. macroinvertebrate. has the most mercury when compared throughout the trophic pyramid?” . Macroinvertebrates. are insects without a backbone that can be seen with the naked eye.  Mercury is an element that can be found in water, air and soil or sediment. There is more than one specific type of mercury like inorganic, organic, elemental, and metallic (metal). Mercury can also give off toxic vapors which is dangerous for the environment because they are clear, odorless, and invisible, so we don’t even know they are evaporating because we can’t see or smell them. Mercury’s chemical symbol is Hg, which comes from the Latin word . McClanahanTR 1997 Predation and the distribution and abundance of tropical sea ur-chin popuIationsJournal of Experimental Marine Biology and Ecology221 231-255McShane PE 1997 A summary of commercial c Sarah Schieffer, Nicole Bauer, Brandon . Urhammer. , Sarah Bartholomew . Faculty Mentor: Todd Wellnitz, Biology Department. Percent of Rusty Crayfish. Non . sampled . lakes. 0%. 1-40%. 41-80%. 81-100%.