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Topic: Semiaquatic

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	Swimming Proficiency Of Marine Mammals Ranks Them Among The World's Elite Animal Athletes
		Semiaquatic animals that try to have it both ways, like muskrats and mink, pay a high price for their versatility, sacrificing energetic efficiency for the ability to move back and forth between land and water.
		Williams includes humans in the semiaquatic category, too, although only the best human swimmers (trained athletes) are able to swim as efficiently as a sea otter.
		By comparing semiaquatic mammals with highly adapted marine mammals, I could follow the physiological and morphological trends that lead to swimming proficiency," she said.
	www.eurekalert.org /pub_releases/1999-01/UoCS-SPOM-190199.php (1310 words)

	Chinemys reevesii
		In most semiaquatic turtles the shell is fairly flat compared to the high domed tortoises shells.
		Semiaquatic turtles have strong hind limbs and webs between the toes.
		Semiaquatic turtles have a strongly developed sense of smell.
	chinemys.de /site/en/allgemein/anatomie (353 words)

	Hares And Rabbits (Family Leporidae) (Site not responding. Last check: 2007-10-13)
		Patches of protective shrubs in combination with adjacent wet lands are ideal habitat for this semiaquatic mammal.
		Habits : The presence of swamp rabbits in an area is readily determined by accumulations of fecal pellets on emergent logs, rocks, and dry platforms of soil or plant material in wet or swampy areas.
		Floods are perhaps one of their greatest hazards, and when high waters occur the swamp rabbit retreats to brushy uplands nearby.
	www.ku.edu /~mammals/sylv-aquaticus.html (479 words)

	Aquatic and Semiaquatic Hemiptera
		A large order (or suborder Heteroptera) of over 50,000 species worldwide, but only 3200 species are aquatic or semiaquatic, about 400 of these occur in North America, north of Mexico.
		All remaining aquatic and semiaquatic bugs are primarily predators as nymphs and adults.
		Aquatic and semiaquatic bugs are readily collecting in benthic or surface samples.
	www.esg.montana.edu /dlg/aim/hemip/hemip.html (854 words)

	Canadian J Zoology 1999 Manuscript Abstract (Site not responding. Last check: 2007-10-13)
		Developmental changes in thermoregulatory ability were followed in 1- to 34-d-old muskrats tested individually and in groups comprised of 5 litter mates.
		Conversely, in older nestlings that were close to, or fully homeothermic, huddling with litter mates consistently lowered VO2, with the greatest metabolic saving (38%) realized by 17-21 d (100-140 g) young.
		We suggest that the rapid development of thermoregulation may be linked to the semiaquatic habits of muskrats, and that thermoregulatory behavior contributes importantly to growth and morphological development of this prolific microtine rodent.
	home.cc.umanitoba.ca /~rmacarth/cjz1999.html (242 words)

	Dr. Patrick Lemell
		High-speed film analyses (250 frames/sec) of feeding in the semiaquatic freshwater turtle Pelusios adansonii (Pleurodira) demonstrate, that prey (turtles were fed fishes and snails) is captured by a combination of suction and ram-feeding.
		High-speed film recordings (250 frames/sec.) of feeding cycles of the semiaquatic freshwater turtle Pelusios castaneus demonstrate, that the turtle has the ability to modulate the feeding kinematics depending on prey type (they were fed fishes and snails).
		High-speed film recordings (250 frames/sec.) of feeding cycles of the semiaquatic pleurodiran freshwater turtle Pelusios castaneus demonstrate, that the turtle has the ability to modulate the feeding kinematics depending on prey type (they were fed fishes and snails).
	www.univie.ac.at /anatomy/lemell.htm (2971 words)

	Wetland regulations
		"If it is a priority to protect the semiaquatic animals that inhabit wetlands, we need to restrict alterations of terrestrial habitat to low impact developments and keep them as far away from the wetland as possible," Dr. Burke said.
		They chose freshwater turtles as sentinel species to represent the variety of semiaquatic organisms that require both wetland and upland habitats to complete their life cycles.
		"The size of buffer zones required to maintain the integrity of populations of semiaquatic fauna undoubtedly varies according to wetland type, upland characteristics, geographic region and resident species," the researchers wrote.
	www.uga.edu /srel/regs.htm (927 words)

	Diptera (Site not responding. Last check: 2007-10-13)
		Most families are terrestrial, but about 28 families and half of all Diptera species have aquatic or semiaquatic larvae.
		Adults with antennal flagellum consolidated into a single segment (may be annulated) usually with a style or arista (short-horned flies), palps with 1-2 segments, coarctate pupae.
		Most families are terrestrial, but some are partially aquatic or semiaquatic.
	chasm.msu.montana.edu /dlg/aim/diptera/diptera.html (1204 words)

	More pictures
		DAVID L. The objective of my doctoral thesis is to elucidate the propulsion mechanism of various surface swimmers through consideration of the fluid motions which they generate.
		Semiaquatic insects are supported by the curvature force generated by their distorting the free surface and generate thrust by four characteristic mechanisms: walking, rowing, ascension of menisci, and ejection of surfactant.
		We propose to elucidate these mechanisms of semiaquatic locomotion through a theoretical and experimental study of the four surface swimmers: the water strider Gerridae, the meniscus climber Mesovelia, the rove beetle Steninae, and the freshwater snail
	www-math.mit.edu /~dhu/research.html (592 words)

	Nutria (Myocastor coypus)
		Throughout much of their natural range in South America, nutria prefer a semiaquatic existence in swamps, marshes, and along the shores of rivers and lakes.
		These are built on land among the marsh vegetation and close to the water’s edge.
		Their natural food consists almost entirely of aquatic and semiaquatic vegetation, but when these animals live along the coast they also feed upon shellfish.
	www.nsrl.ttu.edu /tmot1/myoccoyp.htm (769 words)

	Untitled Document
		Larvae and pupae are obviously restricted to specific habitats and may be sampled directly from those aquatic and semiaquatic habitats where they are found.
		Some workers add salt or sugar to float larvae and pupae from such samples and this is the only way to collect those few species in which the larvae do not swim or the pupae do not float at the surface.
		Once specimens are preserved in 70% alcohol (or some other preservative), they need to be placed on microscope slides to be identified beyond the generic level.
	www.inbio.ac.cr /EN/papers/Ceratopogonidae/howto.htm (1665 words)

	The aquatic and semiaquatic true bugs (Heteroptera: Gerromorpha, Nepomorpha, and Leptopodomorpha) of North Dakota. (Site not responding. Last check: 2007-10-13)
		The aquatic and semiaquatic true bugs (Heteroptera: Gerromorpha, Nepomorpha, and Leptopodomorpha) of North Dakota.
		Aquatic and semiaquatic bugs are common in a wide variety of aquatic habitats throughout North Dakota and form a large biotic component of aquatic ecosystems.
		Six families of aquatic and semiaquatic Heteroptera, constituting 15 genera and 31 species, have been previously recorded for North Dakota.
	esa.ent.iastate.edu /confreg/?gridaction=viewonepresentation&year=2002&presnum=106 (164 words)

	Search Results for semiaquatic - Encyclopædia Britannica
		The features used to establish the limits of the order and of the groups within it include general body size and organization—e.g., presence or absence of external gills; numbers and relative...
		The capybara is the sole member of the family Hydrochoeridae, but it resembles the cavy and guinea pig of the family...
		Semiaquatic rodent (Hydrochoerus hyrdrochaeris) of Central and South...
	www.britannica.com /search?query=semiaquatic&submit=Find&source=MWTAB (504 words)

	Publications
		A comparative study of locomotion on the water surface in semiaquatic bugs (Insecta, Hemiptera, Gerromorpha).
		Fine structure of the body hair layers and morphology of the spiracles of semiaquatic bugs (Insect, Hemiptera, Gerromorpha) in relation to life on the water surface.
		In Menke, A.S. (Ed.), The semiaquatic and aquatic Hemiptera of California (Heteroptera: Hemiptera).
	www.zmuc.ku.dk /EntoWeb/Halobates/HALOLITT.HTM (2540 words)

	Turtletopia: The Turtle Lover's Utopia (Site not responding. Last check: 2007-10-13)
		Keeping their environment as clean as possible is a very important part to caring for your herp, because they can be particularly susceptible to infection and disease.
		How often you clean, disinfect, and sterilize depends on the type of herp you have - for example, terrestrial, aquatic, or semiaquatic.
		For aquatic or semiaquatic turtles - Every two weeks, change between 30 and 60 percent of the water; a sponge filter will help keep the water clean.
	www.turtletopia.com /habitat/clean.shtml (178 words)

	Semiaquatic - Wikipedia, the free encyclopedia
		Look for Semiaquatic in Wiktionary, our sister dictionary project.
		Look for Semiaquatic in the Commons, our repository for free images, music, sound, and video.
		If you have created this page in the past few minutes and it has not yet appeared, it may not be visible due to a delay in updating the database.
	en.wikipedia.org /wiki/Semiaquatic (120 words)

	Handbook of Texas Online: FURBEARING MAMMALS
		The beaver ( Castor canadensis) is a semiaquatic rodent that occupies ponds, lakes, and waterways in eastern and central Texas and westward along the Rio Grande and Canadian River.
		The muskrat, a semiaquatic rodent ( Ondatra zibethicus), is one of the most important furbearers in the United States in terms of numbers taken each year.
		The river otter ( Lutra canadensis) is a semiaquatic member of the weasel family and has been a valued furbearer in North America.
	www.tsha.utexas.edu /handbook/online/articles/view/FF/tcf1.html (1072 words)

	RAMREPO
		Global as well as regional patterns of distribution and the historical biogeography of selected groups of arthropods have been analyzed and discussed, using a variety of theoretical and methodological approaches [2, 12, 19, 28, 69].
		Symposium organizers: NMA (Ecology, evolution and systematics of aquatic and semiaquatic bugs), NPK (The descent of insects) and VM (Higher level phylogeny of the Diptera: morphological and molecular evidence).
		Adis, J., Adis, G., Caoduro, B., Messner, B. and Enghoff, H. On the semiaquatic behaviour of a new troglobitic millipede from northern Italy (Polydesmidae, Diplopoda).
	www.zmuc.dk /EntoWeb/Ramrep1.htm (2660 words)

	How to Care for Your Turtle - eHow.com
		Proper temperature, water quality and feeding are important aspects of maintaining the health of semiaquatic turtles and aquatic turtles (which are called terrapins).
		Set up two-thirds of your turtle's aquarium for swimming and one-third for basking, using a full-spectrum ultraviolet light source.
		Supplement the diet with appropriate snacks: Earthworms, crustaceans, small fish, mouse pups, algae, leafy green vegetation and fruit are examples of suitable foods for terrapins.
	www.ehow.com /how_3275_care-turtle.html (455 words)

	The Emergence of Whales, Chp. 12
		She's examining long bones of both fossil archaeocetes and mesonychians and extant aquatic, semiaquatic, and terrestrial mammals to see how the archaeocete taxa have "adapted (!!) their limbs to an aquatic niche." Notes that the physical environment affects the mechanical/ anatomical requirements.
		Since the difference between these two groups is being repeatedly cited as analogous to the archaeocete evolutionary stages, it's a good idea to have them in mind for the sake of visualization.
		Ambulocetus is similar to other semiaquatic taxa in the lack of a medullary cavity.
	www.tiac.net /~cri/2001/acker12.html (1986 words)

	More pictures
		A concave water meniscus appears as frictionless mountain to small semiaquatic insects and they are generally not able to climb them.
		After several ejections, the insect runs out of chemical fuel, which is debated to be emitted from anal pores or through the rostrum (mouth).
		Andersen, N.M. A comparative study of locomotion on the water surface in semiaquatic bugs (Insecta, Hemiptera, Gerromorpha).
	www-math.mit.edu /~dhu/Videoweb/videoweb.html (817 words)

	Merck Vet. Edition - Management (Site not responding. Last check: 2007-10-13)
		Incandescent bulbs can be used for light and heat in reptile cages, but direct contact should be avoided to prevent thermal burns.
		Semiaquatic species require enough water to allow complete immersion.
		Aquatic and semiaquatic species tend to be ureotelic (urea excretors), which results in significant water loss.
	www.merckvetmanual.com /mvm/htm/bc/171202.htm (1562 words)

	Hemiptera (Site not responding. Last check: 2007-10-13)
		others are semiaquatic* spending their lives in damp areas near water or on the water's surface but not submersed (Gerromorpha)
		Aquatic and semiaquatic Hemiptera, pp 267-297 in Merritt RW and Cummins KW (eds).
		Sanderson MW 1982 Aquatic and semiaquatic Heteroptera, pp 6.1-6.94 in Brigham AR, Brigham WU and Gnilka A (eds).
	www.lander.edu /RSFOX/300hemipLec.html (3105 words)

	Lab Notes for the Aquatic Hemiptera
		Nymphs of aquatic and semiaquatic Hemiptera have 1-segmented tarsi, while adults have 2 tarsal segments on at least some legs.
		Andersen, N. The semiaquatic bugs (Hemiptera, Gerromorpha): phylogeny, adaptations, biogeography and classification.
		Menke, A. The semiaquatic and aquatic Hemiptera of California (Heteroptera: Hemiptera).
	www-personal.umich.edu /~mjwiley/www516/lab_notes_for_heteroptera.htm (410 words)

	semiaquatic - OneLook Dictionary Search
		Tip: Click on the first link on a line below to go directly to a page where "semiaquatic" is defined.
		SEMIAQUATIC : Lake and Water Word Glossary [ home, info ]
		Words similar to semiaquatic : amphibiotic, subaquatic, more...
	www.onelook.com /?w=semiaquatic&ls=a (202 words)

	Snakes having water habitats
		They feed on elongate fishes, such as eels, which they paralyze with their venom, but do not attack humans unless threatened.
		WATER SNAKE, common name for a genus of nonpoisonous, semiaquatic snakes, closely related to the garter snakes.
		Usually found along bodies of water, they are expert swimmers and divers, feeding on fish, frogs, and toads.
	www.manbir-online.com /snakes/snake.52.htm (404 words)

	Systematics, phylogeny and biogeography of Hemiptera, with special reference to semiaquatic bugs
		A study of the phylogeny, classification, and historical biogeography of the genera of Gerrinae has been completed*.
		Studies of the taxonomy and biogeography of semiaquatic bugs of the Indo-Pacific region have been continued with revisions of the gerrid genus Rhyacobates * (with P.P. Chen, Beijing).
		A new, semi-terrestrial species of the genus Eotrechus (Gerridae) has been described and the phylogeny of the genus analyzed (N.M. Andersen).
	www.zmuc.dk /commonweb/5yrs/3resea06.htm (297 words)

	Spirits Review - Adventures - Four Roses Distillery 2
		Cypress is a semiaquatic wood that has been used in fermenting tanks for hundreds of years as it holds up well and does not impart a lot of taste to a liquid.
		One of the more interesting points of this rather small distillery is they run it 24 hours a day with batches seperated by about 3 1/2 hour intervals for a continous run.
		Cypress ( Cypress log) is a semiaquatic wood that has been used in fermenting tanks for hundreds of years as it holds up well and does not impart a lot of taste to a liquid.
	www.spiritsreview.com /adventures-four-roses2.htm (599 words)

	The Fluvarium: Educational Programs
		Hunting these mammals is still carried out on a small commercial scale, the annual fall moose hunt being the most popular.
		The muskrat is a semiaquatic rodent that can be found in both fresh and saltwater marshes.
		This semiaquatic of the weasel family is equipped with partially webbed feet, aiding it in the catching of fish.
	www.fluvarium.ca /freshwaterlife.php?freshwater=mammals (319 words)

	Information on otters
		The otter is a semiaquatic member of the weasel family, Mustelidae, including river and sea otters.
		The otter is a semiaquatic member of the weasel family Mustelidae, which includes the sea otter, river otter, the African clawless otter, small clawed otter of Asia and the great otter of South America.
		The plump little otter is covered with dazzling thick brown fur.
	ks.essortment.com /informationono_oij.htm (456 words)

	Order Aquatic Coleoptera
		Many other beetle families have species that are riparian, semiaquatic, coastal, or marine.
		A particularly interesting suite of aquatic and semiaquatic habitats inhabited by beetles occurs at the edge of the sea.
		In general, insects have not made major inroads into salt water, but a considerable number of beetles are able to tolerate such environmental conditions by either physiological tolerance or behavioural adaptation.
	lakes.chebucto.org /ZOOBENTH/BENTHOS/ix.html (1403 words)

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