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Topic: Calcareous

	Habitats - calcareous
		Calcareous habitats occur around outcrops of calcareous (calcium-rich) bedrock such as limestone, dolomite, and marble.
		Calcareous fens and their wetland matrices are in delicate balance with their physical, chemical, and biological environments.
		Calcareous cliffs and talus slopes in the project area occur primarily in the limestone outcrops along the edge of the Allegheny Plateau, such as the Helderberg Escarpment and the Great Vly Wildlife Management Area near the Hudson River in Ulster County, New York.
	www.fws.gov /r5snep/cal_hab.htm (726 words)

	Fossil Groups - Calcareous Nannofossils
		Calcareous nannofossils are fossil remains of golden-brown, single-celled algae that live only in the oceans.
		A calcareous nannofossil specialist can look at ocean bottom sediment from anywhere in the world that was deposited less than 200 million years ago (one which does contain calcareous nannofossils) and be able to tell you how old that sediment is.
		Biostratigraphy - Calcareous nannofossils are the most useful age indicator for marine sediments from the Jurassic to the Recent because of their rapid rate of evolution and wide geographic distribution.
	geology.er.usgs.gov /paleo/nannos.shtml (948 words)

	calcareous rock - Encyclopedia.com
		Salt-induced decay in calcareous stone monuments and buildings in a marine environment in SW France.
		valleys and are typified by calcareous sandstones and sandy...
		sandstone, siltstone, and shale with interbedded calcareous conglomeratic sandstone, sandy limestone, and calcareous siltstone which is mottled with purplish grey and...
	www.encyclopedia.com /doc/1E1-X-calcar-roc.html (992 words)

	Habitats - calcareous (Site not responding. Last check: )
		Calcareous fens and their wetland matrices are in delicate balance with their physical, chemical, and biological environments.
		Groundwater and soils found in association with calcareous bedrock are generally rich in mineral nutrients, especially calcium, and are slightly acidic to slightly basic (pH ranges from 6.0 to 7.8).
		Calcareous cliffs and talus slopes in the project area occur primarily in the limestone outcrops along the edge of the Allegheny Plateau, such as the Helderberg Escarpment and the Great Vly Wildlife Management Area near the Hudson River in Ulster County, New York.
	www.bonus.com /contour/act/http@@/www.fws.gov/r5snep/cal_hab.htm (726 words)

	Calcareous Summary
		Calcareous soils are most often formed from limestone or in dry environments where low rainfall prevents the soils from being leached of carbonates.
		Calcareous refers to a sediment, sedimentary rock, or soil type which is formed from or contains a high proportion of calcium carbonate in the form of calcite or aragonite.
		Calcareous coatings, or calcareous deposits, are mixtures of calcium carbonate and magnesium hydroxide that are deposited on cathodically protected surfaces because of the increased pH adjacent to the surface.
	www.bookrags.com /Calcareous (1117 words)

	Calcareous Grassland
		In Lancashire, lowland calcareous grassland is restricted to the Morecambe Bay limestone and to the Hodder and Ribble valleys.
		Upland calcareous grassland occurs in the Leck Fell and Ease Gill area near the county boundary with Yorkshire.
		Calcareous grassland BHSs coincide with geological SSSIs at Salthill Quarry and Clitheroe Knoll Reefs and Trowbarrow Quarry.
	www.lbap.org.uk /bap/habitat/calcareous.htm (2048 words)

	Calcareous Soils In Miami-Dade County
		Yuncong Li Calcareous soils in Miami-Dade County are derived from Miami limestone.
		The pH values of calcareous soils are greater than 7, usually in the range of 7.4-8.4.
		The high calcium concentrations in calcareous soils suppress Mg plant uptake and its translocation from the roots to the upper plant parts.
	edis.ifas.ufl.edu /TR004 (1739 words)

	FAO/AGL - Problem Soils Database -ProSoil
		Calcareous soils are typical soils of semi-arid and arid climates, especially where calcareous parent material occurs in level to hilly land and with a sparse natural vegetation of xerophytic shrubs and ephemeral grasses.
		The land use of calcareous soils is highly variable: it ranges from non-used wastelands (deserts) to intensively cultivated irrigation areas.
		Calcareous soils are soils rich of calcium carbonate which occur mainly in the semi-arid subtropics of both hemispheres.
	www.fao.org /ag/agl/agll/prosoil/calc.htm (646 words)

	Action plan for Calcareous grassland
		Calcareous grasslands contain an exceptional diversity of rare plants, but are particularly characterised by a series of widespread grassland plants which are mainly restricted to lime rich soils.
		Certain types of calcareous scrub, such as juniper Juniperus communis scrub, and the species-rich hazel Corylus avellana scrub of the Derbyshire Dales have a high intrinsic conservation value and are rare.
		Calcareous grasslands support a rich and varied invertebrate fauna including many GB Red Data Book species as well as several species afforded protection under Schedule 5 of the Wildlife and Countryside Act 1981.
	www.ukbap.org.uk /UKPlans.aspx?ID=52 (904 words)

	The World Market for Marble, Travertine, and Specified Calcareous Monumental or
		I have developed a methodology, based on macroeconomic and trade models, to estimate the market for marble, travertine, and specified calcareous monumental or building stone and alabaster for those countries serving the world market via exports or supplying from various countries via imports.
		The total level of imports and exports on a worldwide basis, and those for each region, is based on a model which aggregates across country markets and projects these to the current year.
		Combined, Chapters 3 and 4 present the complete picture for imports and exports of marble, travertine, and specified calcareous monumental or building stone and alabaster to and from all major countries in the world.
	rd.business.com /index.asp?epm=s.1&bdcq=calcareous&bdcr=2&bdcu=http://www.mindbranch.com/listing/product/R307-5552.html&bdcp=&partner=2662601&bdcs=nwuuid-2662601-286EA15D-190B-AFAB-D136-DD3CE95B1B48-ym (703 words)

	The World Market for Limestone Flux and Calcareous Stone Commonly Used for the Manufacture of Lime or Cement: A 2005 ...
		Chapter 4 does the same, but for imports of limestone flux and calcareous stone commonly used for the manufacture of lime or cement for all countries in the world.
		Combined, Chapters 3 and 4 present the complete picture for imports and exports of limestone flux and calcareous stone commonly used for the manufacture of lime or cement to and from all major countries in the world.
		The SITC code that defined "limestone flux and calcareous stone commonly used for the manufacture of lime or cement" is 27322.
	www.marketresearch.com /map/prod/1027316.html (1260 words)

	Calcareous Nannofossils
		Calcareous nannofossils include the coccoliths and coccospheres of haptophyte algae and the associated nannoliths which are of unknown provenance.
		Their calcareous skeletons are found in marine deposits often in vast numbers, sometimes making up the major component of a particular rock, such as the chalk of England.
		One consequence of the first occurrence of calcareous nannofossils in the late Triassic lies in the fact that this was the first time open ocean planktonic organisms utilised calcareous skeletons and exported calcium carbonate into the deep oceans.
	www.ucl.ac.uk /GeolSci/micropal/calcnanno.html (2346 words)

	Woody encroachment effects on the calcareous prairie soils of Louisiana
		The calcareous prairies of Louisiana have been threatened by the encroachment of woody plants, primarily eastern red cedar (Juniperus virginiana).
		The knowledge of whether eastern red cedar encroachment has altered the soil chemical characteristics is of interest in light of the restoration and management of these rare plant communities.
		The objectives of this study were to investigate differences in soil nutrient levels among prairie, transition and forest soils and to determine which soil properties could be used to differentiate prairie soils from soils impacted by woody vegetation.
	www.agu.org /pubs/crossref/2006/2006JG000214.shtml (443 words)

	Lowland Calcareous Grassland
		Maintain the existing important areas of lowland calcareous grassland, encouraging appropriate management and promoting environmentally sensitive management of adjoining land.
		Re-survey all good examples of lowland calcareous grassland in 2005 and 2010 to assess their condition.
		Seek to ensure that all landowners are aware of any management grants which may be available for calcareous grassland e.g.
	www.sbap.org.uk /haps/calgras.htm (426 words)

	Calcareous (Limestone) Grasslands: Chee Dale
		The Peak District is a meeting point between northern and southern types of calcareous grassland thus, on south-facing slopes, southern calcareous species such as dwarf thistle are found, whilst on the north-facing slopes northern calcareous species, such as mountain everlasting, are found.
		The grasslands support a range of butterflies, including the northern brown argus, meadow brown, common blue, dark green fritillary and small and large skipper, as well as birds such as the yellowhammer.
		Unimproved calcareous grasslands are extremely restricted in extent and are recognised as a key Biodiversity Action Plan habitat.
	www.bgs.ac.uk /foundation-web/Calcareous.html (225 words)

	Earliest calcareous foraminifera
		Department of Geology, University College, Cardiff CF1 1XL, UK Department of Geology, University of Hull, Hull HU6 7RX, UK WE present here evidence that early Palaeozoic calcareous foraminifera existed and were relatively complex (multilocular and multiserial) in form but that they have been regarded formerly as calcareous algae.
		The early part of the invertebrate fossil record during the Cambrian period seems to show a striking contrast between the abundance of highly developed organisms such as the trilobite arthropods and the paucity of simpler forms such as the foraminiferal protozoans.
		Consequently, the assumptions that Lower Palaeozoic foraminifera were primitive and mainly non-calcareous have been taken as bases for inferences concerning the early evolution of the group
	www.nature.com /nature/journal/v257/n5523/abs/257208a0.html (431 words)

	Calcareous Morning-Glory \| Plant Information
		The Calcareous Morning-Glory may be available from nurseries, garden stores and other plant dealers and distributors.
		Calcareous Morning-Glory Perennials Plants for Sale Plant Stands Seeds and Bulbs Tree SeedsOrganic Gardening Garden Decor
		Calcareous Morning-Glory can be found in Florida (FL) and Puerto Rico (PR)
	www.gardenguides.com /plants/plant.asp?symbol=IPMI (71 words)

	STP777-EB Geotechnical Properties, Behavior, and Performance of Calcareous Soils
		Rosser GK, Moore RK Calcareous Sands of the Israeli Coastal Plain
		Chaney RC, Slonim SM, Slonim SS Strength of Compacted Specimens of a Calcareous Playa Lake Clay
		Saxena SK Elastic and Strength Properties of Calcareous Rocks of Dade County, Florida
	www.astm.org /DIGITAL_LIBRARY/STP/SOURCE_PAGES/STP777.htm (276 words)

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