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Topic: Taxa

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	Taxon - Wikipedia, the free encyclopedia
		A taxon (plural taxa), or taxonomic unit, is an element of a taxonomy, most commonly used in the scientific classification in biology, where a taxon is a group of organisms that has been named.
		Such taxa with a high, but fluctuating, rank are sometimes informally referred to as "major groups".
		It has become generally accepted that taxa should contain an ancestral form and all or some of its descendants, though the validity of the latter category is increasingly debated.
	en.wikipedia.org /wiki/Taxa (304 words)

	Data Summary Results 2001 (Site not responding. Last check: 2007-11-07)
		Taxa richness (the number of unique taxa in a sample) is an important measurement of stream biodiversity.
		In contrast, CO taxa are generally very tolerant of pollution and other human disturbances and therefore are abundant in degraded streams.
		Mean taxa richness at the watershed level ranged from 11 to 7 with the Kankakee having the highest taxa richness and the Kaskaskia having the lowest (Table 3).
	dnr.state.il.us /OREP/ECOWATCH/DATA/rw/rwsummary01.htm (2408 words)

	Integrative and Comparative Biology: Importance of Even Highly Incomplete Fossil Taxa in Reconstructing the ...
		However, adding fossil taxa may help to correctly establish relationships among lineages that have experienced high degrees of morphological diversification by allowing for a reinterpretation of homologous and homoplastic features, increasing the resolution rather than decreasing it.
		Furthermore, taxa that were scored for 25% or more of their characters did not cause a significant loss of resolution, while providing unique biological information.
		In these simulations even taxa that were scored for only 5% of their characters could still be included and correctly placed in the topology when the number of characters that could be scored was relatively high (italics ours).
	www.findarticles.com /p/articles/mi_qa4054/is_200411/ai_n9467791 (980 words)

	Taxa New to North America (North of Mexico) 1975-1994 (Site not responding. Last check: 2007-11-07)
		New species and terminal infraspecific taxa were distributed as follows: pteridophytes with 78 (6.5%), gymnosperms with 6 (0.5%), and angiosperms with 1113 (93%) for a sum of 1197 (59.85 taxa or 27.9 species per year).
		The total number of new subspecies proposed as terminal taxa was 139 (30.7%), compared to 313 (69.3%) for varieties.
		The new taxa were divided among the following categories of study: floristics, 375 taxa; plants of conservation concern, 33; taxonomy, 703; and biosystematics, 86.
	www.rmh.uwyo.edu /flora/webfnaa.htm (413 words)

	A NEW QUANTITATIVE METHOD FOR DETERMINING SUCCESSIONAL ORDER AMONG FOSSIL TAXA
		Recent communities typically follow a pattern through succession: (1) after a disturbance, early-stage taxa colonize the empty habitat; diversity is low; (2) over time, late-stage taxa arrive in the ecosystem; these taxa are strong competitors but poor colonizers.
		The mix of early- and late-stage taxa causes a significant increase in diversity; (3) eventually, late-stage taxa competitively exclude early-stage taxa; diversity decreases.
		Early-stage taxa may be preserved in any stage, and appear in either low- or high-diversity systems but the mean diversity of all communities in which an early-stage taxon is present will be lower than that of a late-stage taxon.
	gsa.confex.com /gsa/2004AM/finalprogram/abstract_80866.htm (503 words)

	Draft BioCode (1997): the prospective international rules for the scientific names of organisms (Site not responding. Last check: 2007-11-07)
		Taxa normally consist of whole organisms in all their life stages, irrespective of the nature of the corresponding name-bearing types.
		For practical reasons, in some categories of organisms taxa are recognized and can be named that correspond only to parts of organisms or to definite stages of their life history.
		For genus-group taxa or taxa at lower ranks, hybridity may be indicated if desired by placing the multiplication sign (x) in front of and against the name or final epithet, respectively.
	www.rom.on.ca /biodiversity/biocode/biocode1997.html (8234 words)

	Number Of Taxa Vs. Distance Along A Trail
		Perhaps the main cause of the increased number of taxa for the Sunset Ridge Trail past mile 0.5 is that the trail enters a completely different habitat at that point, transitioning from a south-facing slope to a north-facing slope.
		The model fit to the data for the native taxa vs distance is the usual power law, with an exponent of 0.37.
		The non-native plants definitely tend to be concentrated to the beginning of a trail, or wherever a disturbance such as a road crosses the trail.
	tchester.org /plants/analysis/list/no_taxa_vs_distance.html (835 words)

	Genus Level Taxonomic Identification
		The total number of unique taxa is identified in each replicate.
		The total number of unique clinger taxa is identified in each replicate.
		The sum of individuals in the three (3) most abundant taxa in each replicate, divided by the total number of individuals in that replicate, multiplied by 100.
	www.clallam.net /streamkeepers/html/Genus_Level_10-metric_BIBI.htm (391 words)

	ROUND UP THE USUAL SUSPECTS: UBIQUITOUS TAXA AND SYSTEMATIC INERTIA (Site not responding. Last check: 2007-11-07)
		Ecologically, these taxa could have been abundant in the life assemblage or had wide environmental or biogeographic ranges.
		Ubiquity may also be due to their morphology being highly plesiomorphic or otherwise highly generalized (i.e., "form taxa").
		One potential influence we term "systematic inertia": specimens in field collections could tend to be assigned to taxa included in well-known, widely available sources and not reflect subsequent taxonomic revisions.
	gsa.confex.com /gsa/2002AM/finalprogram/abstract_40985.htm (464 words)

	Metrics for King County Stream Macroinvertebrate Monitoring
		If many different taxa of mayflies are found while the variety of stoneflies and caddisflies is low, enrichment may be the cause.
		Even though they are very diverse in habit, taxa richness of caddisflies declines steadily as humans eliminate the variety and complexity of their stream habitat.
		Animals identified as intolerant are the most sensitive taxa; they represent approximately 5-10% of the taxa present in the region.
	dnr.metrokc.gov /wlr/waterres/Bugs/metrics_desc.htm (704 words)

	SRR: New Entomological Taxa (Site not responding. Last check: 2007-11-07)
		The name(s) which were published later are called "junior synonym(s)." Though they are not strictly new taxa, new synonyms are also included in our scope of coverage because of their obvious significance to entomological nomenclature.
		New higher taxa often contain many species that have been studied extensively, and detailed distribution and depository information on all included species is often not provided in these articles.
		For new combinations, new synonyms and taxa of either revised status or new status, the Main Listing includes the authorship of the new taxon, the order and family to which it belongs, and either the original or most recent name for the taxon.
	www.sciref.org /net/net0/netintro.htm (1976 words)

	Sister Taxa (Site not responding. Last check: 2007-11-07)
		For a given set of taxa under consideration, a taxon is always most closely related to its sister taxon (or taxa).
		For any terminal or internal node giving rise to a taxon, the sister taxon is determined by, first, finding the node (common ancestor) for a taxon, then tracing along the branch leading to this node, back toward the root, until another deeper (more ancient) node is encountered.
		One way to think about this is to consider the snip rule for dividing clade c into the daughter lineages derived from the common ancestor at node 3.
	biology.fullerton.edu /biol461/phylo/sisters.html (394 words)

	Setup/Select Taxa & Groups Dialog
		Grayed out check boxes are used to indicate that some of the taxa in a group are selected and others are unselected.
		Makes all the taxa in the selected group freestanding, but does not remove the group from the list.
		Any taxa that were assigned to this group will become freestanding.
	megasoftware.net /WebHelp/contexthelp_hc/hc_setup_taxa_groups_dlg.htm (460 words)

	Jepson Manual Analysis: Number of Species by Geographic Area Resolved Into The Number Of Taxa From Successively Larger ...
		Here, I separately break down that total number of taxa in each area into the number of taxa that come from successively larger areas and the number of taxa found in the area of interest that are not found in a larger area.
		This allows one to see at a glance the number of taxa in each area that are found over larger areas, and the number of taxa that are more localized in their distribution.
		Note that the resulting number of taxa in an area that are not found in a larger area containing that area are not necessarily taxa unique to that area.
	tchester.org /plants/analysis/jm/no_by_geographic_area.html (985 words)

	Attaching notes to taxa (Site not responding. Last check: 2007-11-07)
		Taxa may have any number of notes attached to them.
		HTML files: these are created in an HTML editor or in a word processor and saved to HTML before being attached to the taxon.
		To attach notes to taxa, select a taxon and then select Edit, Taxon properties from the menu, or right-click on a taxon and select Taxon properties from the pop-up menu (see Attaching multimedia to taxa).
	www.lucidcentral.com /lucid2/builder/webhelp/attachingnotestaxa.htm (69 words)

	International Code of Botanical Nomenclature (Tokyo Code) - Article 4 (Site not responding. Last check: 2007-11-07)
		The secondary ranks of taxa in descending sequence are tribe (tribus) between family and genus, section (sectio) and series (series) between genus and species, and variety (varietas) and form (forma) below species.
		If a greater number of ranks of taxa is desired, the terms for these are made by adding the prefix sub- to the terms denoting the principal or secondary ranks.
		A plant may thus be assigned to taxa of the following ranks (in descending sequence): regnum, subregnum, divisio or phylum, subdivisio or subphylum, classis, subclassis, ordo, subordo, familia, subfamilia, tribus, subtribus, genus, subgenus, sectio, subsectio, series, subseries, species, subspecies, vari-etas, subvarietas, forma, subforma.
	www.bgbm.fu-berlin.de /iapt/nomenclature/code/tokyo-e/Art_04.htm (205 words)

	INTERNAL ORGANISATION OF CHECK-LIST (Site not responding. Last check: 2007-11-07)
		E-endangered taxa, taxa that are in danger of extinction and that have no chances of survival in case the causative factors continue their activities in the stand.
		The taxa whose greater part or almost entire areal is located in most neighbouring countries and appear in Croatia only in the form of the disjunction areal or only in their areal fringes are not considered as endemic in Croatia (e.g.
		As for the taxa that do not have a popular name, they were given a new one based on their Latin name, its widespreadness, stand or a major diagnostic characteristics.
	jagor.srce.hr /botanic/cisb/Edoc/flora/check/check4.html (922 words)

	NMITA Gastropod taxonomic list
		The great majority of the taxa and taxonomic names used in the Gastropod diets database and Mollusc Occurrence 2000 database are common to both documents.
		I have not ordered the taxa in the traditional manner by which higher groups are placed in relative degrees of proximity according to an unspecified criterion of “relatedness”.
		Distinct putative taxa whose affinities within a family are uncertain are sometimes indicated in the manner of ‘TurridA’, with a research worker given as ‘author’ of this information.
	porites.geology.uiowa.edu /database/mollusc/systemat/gastrtax.htm (1040 words)

	JVP Content (Site not responding. Last check: 2007-11-07)
		The problem of missing data is often considered to be the most significant obstacle in reconstructing the phylogeny of fossil taxa and their relationships to extant taxa.
		Missing data cells are typically added to a phylogenetic analysis in the form of incomplete taxa (e.g., highly fragmentary fossil taxa) or incomplete characters (e.g., a set of DNA sequence or soft anatomical characters in an analysis including living and fossil taxa).
		However, these added taxa may be unable to improve accuracy for the complete taxa if they are too incomplete.
	www.vertpaleo.org /jvp/23-297-310.html (303 words)

	Floral Development in Legumes -- Tucker 131 (3): 911 -- PLANT PHYSIOLOGY
		Flowers are radially symmetrical in nearly all taxa in the mimosoid subfamily (Fig.
		A few taxa in Papilionoideae have a random pattern of petal aestivation, e.g.
		Tucker SC (2000a) Evolutionary loss of sepals and/or petals in detarioid taxa Aphanocalyx, Brachystegia, and Monopetalanthus (Leguminosae: Caesalpinioideae).
	www.plantphysiol.org /cgi/content/full/131/3/911 (7484 words)

	taxa on Encyclopedia.com (Site not responding. Last check: 2007-11-07)
		MDSI Selected By Denmark's Taxa Faellescentralen For Advantex-Taxi Solution.
		New taxa, new records and redefined concepts in the Elaphoglossum sect.
		Survey of State Criteria Used to Determine the Status of Plant Taxa.
	www.encyclopedia.com /html/X/X-taxa.asp (307 words)

	Lemur taxa (Site not responding. Last check: 2007-11-07)
		Lemur taxa (after Mittermeier et al, The Lemurs of Madagascar
		The taxonomy of the living and sub-fossil lemurs of Madagascar is in dispute.
		The Cheirogaleidae have not been well studied and new taxa are being discovered
	bibliofile.mc.duke.edu /gww/Lemur/LemurTaxa.html (581 words)

	[No title]
		Choose one taxa and all remaining taxa will be compared to the chosen taxa by examining the score for each state.
		Choose multiple taxa and they will be scored as all the same of some different for each state in the key.
		The percentage is the percent of taxa remaining that will be discarded when the given state is chosen.
	www.ubio.org /services/key_editor_functions.html (482 words)

	Helicobacter sp. flexispira 16S rDNA taxa 1, 4 and 5 and Finnish porcine Helicobacter isolates are members of the ...
		to the sequences of flexispira taxa 4 and 5 and H.
		taxa 1, 4 and 5 and the type strain of H.
		flexispira taxa 2, 3 and 8 and Finnish canine and feline flexispira strains
	ijs.sgmjournals.org /cgi/content/abstract/53/2/425 (580 words)

	Merrick School of Business (Site not responding. Last check: 2007-11-07)
		TAXA 651 Fundamentals of Federal Income Taxation I (3)**
		TAXA 678 Fundamentals of Federal Income Taxation II (3) *
		TAXA 670 Income Taxation of Estates and Trusts (2)
	business.ubalt.edu /graduateprograms/tax.html (525 words)

	New Entomological Taxa Homepage (Site not responding. Last check: 2007-11-07)
		New Entomological Taxa (NET) was a monthly publication designed to provide entomologists with timely and inexpensive access to the literature on new entomological taxa and nomenclature changes.
		To accomplish this goal, NET catalogued the new taxa of insects, acari, arachnids and myriapods, in addition to parasites and pathogens associated with these groups of arthropods, which appeared in the (then) current literature.
		Nomenclature changes, such as new combinations, new synonyms and taxa of new or revised status were also included.
	www.sciref.org /net/index.htm (318 words)

	International Code of Botanical Nomenclature (Tokyo Code) - Article 3 (Site not responding. Last check: 2007-11-07)
		The principal ranks of taxa in descending sequence are: kingdom (regnum), division or phylum (divisio, phylum), class (classis), order (ordo), family (familia), genus (genus), and species (species).
		The principal ranks of nothotaxa (hybrid taxa) are nothogenus and notho-species.
		These are the same ranks as genus and species, only the terms denoting the ranks differing in order to indicate the hybrid character (see App.
	www.bgbm.fu-berlin.de /iapt/nomenclature/code/tokyo-e/Art_03.htm (195 words)

	IB-OR-2001-217-Survey and Manage Taxa Team Outreach (Site not responding. Last check: 2007-11-07)
		Taxa Leads are responsible for the facilitation and development of Survey Protocols, Management Recommendations, participation and review of the Annual Species Review process, data and database oversight, and quality control.
		These Taxa Team members likely will require from 10-25 percent of their time for participation on the Team.
		Participation on the Taxa Team would be funded based on the tasks expected to be accomplished by the team in FY02, and include salary and travel costs in accord with the policies of the providing agency.
	www.blm.gov /nhp/efoia/or/fy2001/ib/IB-OR-2001-217.htm (437 words)

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