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Topic: Rare species


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In the News (Fri 19 Apr 19)

  
  Rare species - Wikipedia, the free encyclopedia
Rare species is an organism which is very uncommon or scarce.
Designation of a rare species is usually made by an official body such as the IUCN, national government, state or province.
A species may be endangered, but not considered rare, if the threats to its habitat from human taking pose a considerable risk to the viability of the species.
en.wikipedia.org /wiki/Rare_species   (201 words)

  
 CEP: Biodiversity. Rare species in danger of extinction
Rare and endemic species are poor competitors and are therefore at risk of extinction.
The 30 endangered birds are considered to be highly sensitive and are included in the list of rare species, although they used to be common, the population numbers have decreased due to increased anthropogenic pressure on their natural habitats.
This specie is a member of the carp family and is a rare specie whose population is declining.
www.caspianenvironment.org /biodiversity3.htm   (2712 words)

  
 Rare - Wikipedia, the free encyclopedia
Rare is a word used to denote low numbers of abundance.
Rare species, In biology, is a conservation category designating the scarcity of an organism and implying a threat to its viability.
In the cooking of beef and other meat products, rare is a term used to indicate that the meat is still quite uncooked on the inside and just charred on the surface.
en.wikipedia.org /wiki/Rare   (142 words)

  
 Why Rare Species
Of course, a plant species' survival also depends upon its interactions with other species, such as its ability to compete with other plants for space in the same habitat or to protect itself from destruction by animals, as well as its genetic fitness-its ability to successfully reproduce and disperse seed.
Many species are rare because they require habitat conditions that are no longer prevalent.
These species have evolved to live in a habitat that is flooded part of the year, moist for a few months and bone-dry the rest of the year.
ceres.ca.gov /ceres/calweb/plantlife/rarespecies.html   (1481 words)

  
 Rare Species and Ecosystems - Carolinian Species & Habitats
Rare species are species that occur in small numbers, in a small region or small number of locations.
When a decision is made to assess a species' status, COSEWIC commissions reports on the status of the species.
Over 125 species in Carolinian Canada are considered vulnerable, species of special concern, threatened or endangered by either the federal or provincial government (COSEWIC or COSARO).
www.carolinian.org /SpeciesHabitats_RareEcoSys.htm   (461 words)

  
 Berkshire Taconic :: Diversity of life :: Rare Species in the Berkshire Taconic Landscape
Some of these species, like the Gerhardt's underwing moth, can be found at the summits of the mountains; others, like maidenhair spleenwort, pink and yellow ladyslipper, and other spring ephemeral flowers thrive in the forests on the sides of the mountains.
In addition to these year-round species, a handful of rare species, like the worm-eating warbler (a tiny neo-tropical songbird) and the American eagle, pass through the landscape or are here for part of the year.
Information about some of the rare and endangered species in this landscape is included in some of the species profiles on this website, but the best sources of information about them are the state offices of the Natural Heritage and Endangered Species Program (which officially oversee information about rare species occurrences).
www.lastgreatplaces.org /berkshire/diversity/art6479.html   (920 words)

  
 Rare and Endangered Plants - Presidio of San Francisco
These special status species are commonly referred to as rare plants.
Rare plants in the Presidio are found in either dune communities or serpentine communities because invasive non-native plants are not able to dominate these nutrient-poor areas.
That being said, populations of rare dune species and perennial serpentine species have generally increased over the recent years, whereas populations of the serpentine annuals are stable or perhaps have even declined.
www.nps.gov /prsf/nathist1/nathist/rare.htm   (433 words)

  
 Rare Plants   (Site not responding. Last check: 2007-11-04)
Special-status species are plants (including nonvascular plants) that are either listed as endangered or threatened under the Federal or California Endangered Special Acts; or considered to be rare under the California Native Plant Protection Act; or considered to be rare (but not formally listed) by resource agencies, professional organizations (e.g.
Plants that are Category 1 or 2 (species of special concern) candidates for possible future listing as threatened or endangered under the Federal Endangered Species Act (55 CFR 6184, February 21, 1990).
categorizes rare California plants into one of five lists (1A, 1B, 2, 3, and 4) representing the five levels of species status, one of which is assigned to a sensitive species to indicate its status of rarity or endangerment and distribution.
www.cnpsci.org /html/PlantInfo/Definitions2.htm   (2805 words)

  
 How To Find And Photograph Rare Species
The species requires a warm, dry environment preferably with lime-rich soil and a very specific host-plant for the caterpillars.
The reason plants or animals are rare is often that their preferred surroundings, also known as the biotope, is rare.
Needless to say that the more rare species you have a detailed knowledge about, the more likely it is that you will encounter a rare species and be able to identify it as such.
www.outdooreyes.com /findrarespecies.php3   (1143 words)

  
 Natural Heritage Information System - Division of Ecological Services: Minnesota DNR   (Site not responding. Last check: 2007-11-04)
Rare plants tracked are all species that are listed as Federally endangered, threatened or as candidates for Federal listing; all species that are State listed as endangered, threatened or special concern.
Several rare species are also tracked which currently have no legal status but need further monitoring to determine their status.
Some rare animal species, such as the bald eagle, are sensitive to disturbance by humans, and may desert a breeding area that is approached too closely during certain portions of the breeding season.
www.dnr.state.mn.us /ecological_services/nhnrp/nhis.html   (858 words)

  
 Modeling Habitat Suitability of Rare Species   (Site not responding. Last check: 2007-11-04)
In 1973, the Endangered Species Act was passed to conserve and protect listed species (FWS, 2002) and preserve the suitability of their habitats, even if the habitat is not occupied by the species when they are listed.
This seems to be a common problem for habitat suitability models for rare species as often times, not much is known about these species, causing difficulties in determining their characteristic habitat attributes (Gibson et al., 2003).
The authors concluded that there was an urgent need for rare plant habitat assessment, but that models were limited because of a lack of synthesis of information on the ecology of rare plants, and a lack of relevant spatial data.
members.cox.net /mvk/Class_Projects/ModelingHabitat.htm   (2684 words)

  
 West Virginia DNR - Rare, Threatened And Endangered Species In West Virginia   (Site not responding. Last check: 2007-11-04)
All species that are rare on a global basis (G1, G2, G3) are tracked, as well as species that are federally listed, proposed listed or are candidates with the U.S. Fish and Wildlife Services under the Endangered Species Act.
Species that are at the edge of their global ranges and are in the state are generally tracked to conserve genetic diversity that often exists at the margin of a species' range.
Several species are tracked because they require unique habitats, such as shale barrens, wetlands or high elevation spruce forests.
www.wvdnr.gov /Wildlife/RareSpecList.shtm   (258 words)

  
 The Arkenstone: NEW Mineral Specimens
Tinzenite is a rare and beautiful member of the axinite group, and I cannot say as I have ever even seen any for sale (much less specimens as attractive as these).
Now, when the species was named they had brought out a few small specimens which I sold on the web years ago....but these, apparently from a recent expedition, are far improved and larger in size and beauty as well.
Rarely do we see a new rarity (or rather an unprecedented find of an old rarity) that is as gorgeous as it is significant.
www.irocks.com /rarespecs.html   (1744 words)

  
 How to care for rare or endangered plant and tree species - opportunity if you want it.
On this page I discuss how to propagate a rare tree that has no seeds, and some of the factors involved in species preservation on Hawaii for all of you who are interested in endangered or rare species.
Because it is illegal to take any plant or part of a plant that is rare or endangered from anywhere in the wild, only property owners with rare trees on their property may propagate them.
Species extinction is an issue of serious concern to many people in Hawaii, but the loss of natural forest continues anyway.
www.angelfire.com /journal/alohagrace/SaveUSrainforesttrees.html   (1745 words)

  
 Rare & Endangered Species of the Loess Hills   (Site not responding. Last check: 2007-11-04)
This species is most common in the Appalachian Mountains, but does occur sporadically and rarely here and there elsewhere in the Southeast.
The implication is that those individual organisms who do somehow manage to survive in the border regions of a species' general distribution might possess some special talent or adaptation enabling them to survive, thus their genetic inheritance assumes special importance.
The definition for species says "...does not interbreed significantly with any other group." The word "significantly" must be emphasized because sometimes two seemingly very different species are discovered to be perfectly capable of interbreeding.
www.backyardnature.net /loess/rare&end.htm   (1494 words)

  
 [No title]
RSCF employs the "flagship species" concept to identify and conserve high profile, priority species in order to leverage protection for the ecosystems they represent.
Propagation and management of such flagship species, along with field-based research and habitat acquisition, are ultimately directed toward long-term biodiversity preservation at a regional level.
By definition, biodiversity is the variety and abundance of species, their genetic composition, and the natural communities, ecosystems, and landscapes in which they occur.
www.rarespecies.org   (491 words)

  
 ONRC - Don't delay surveys for rare species   (Site not responding. Last check: 2007-11-04)
Reserve/Matrix System for Species That Can Disperse The system of forest reserves with extensive clearcutting allowed between the reserves is intended to provide habitat for viable populations of species that have the capacity to disperse from the area where they were born and successfully breed at another locale.
Reductions in diversity of plant and animal communities and tree species from that which would be expected in a natural forest, or from that similar to the existing diversity in the planning area, may be prescribed only where needed to meet overall multiple-use objectives.
The listed excuse for 20 of the 80 species proposed for delay is: "the necessary characteristics to identify the species cannot be distinguished in the field" and such surveys would require more thorough recording of the location that collections were made and possibly a second field visit to mark the area to be protected.
www.onrc.org /programs/wforest/ltr2blm.html   (11373 words)

  
 Wait list for rare species lengthy - The Honolulu Advertiser - Hawaii's Newspaper
Hawai'i has more than 100 species of rare plants, animals and insects that are candidates for the federal endangered species list, but they won't qualify for protection until the U.S. Fish and Wildlife Service conducts research to determine whether they belong on the list.
Most of the service's money for endangered species is diverted to respond to litigation, which has been a nationwide issue, she said.
The last Hawai'i species that moved from the candidate list to the endangered species list was a perky forest bird, the O'ahu 'elepaio, and its 2000 listing was the result of a court-supervised agreement, Shultz said.
the.honoluluadvertiser.com /article/2005/May/17/ln/ln16p.html   (600 words)

  
 BBC News | SCI/TECH | Growing threat to rare species
Since the last assessment in 1996, critically endangered primate species have increased from 13 to 19, and freshwater turtles from 10 to 24.
Threatened albatross species have risen from three to 16, because of long-line fisheries.
The total number of critically endangered mammal species is now 180, 11 more than in 1996, while bird species have risen from 168 to 182.
news.bbc.co.uk /1/hi/sci/tech/938038.stm   (655 words)

  
 Rare Species
The term rare species refers to rare or exceedingly rare minerals.
Rare species are important mineralogically for various reasons one of which is that they account for quite a high percentage of known minerals.
We may also mention that most new minerals discovered these days are rare species: in most instances one can say that if they were not as rare as they are, they would have probably been found a long time ago.
attminerals.com /rare_species.htm   (571 words)

  
 GSRC Endangered & Threatened Plant Species Database
In many states, state listed species, those which may be rare in the state in question but common across its range, may not have Federal protection.
In the case of plants, surveys for Federally endangered, threatened, and candidate species as well as state protected species requires an in-depth knowledge of species' habitat, flowering/fruiting periods, and identification.
Many of these rare plant species are often difficult to identify, their geographic range of occurrence is generally limited, require specific habitat conditions, and their habitats are often reduced.
www.gsrcorp.com /tes/rare_plants.html   (319 words)

  
 Environmental Defense - Solution: Save Rare Species
The CRP program should also be amended to make it useful for haying and grazing lands where the land could provide critical habitat for rare species if haying and grazing were stopped or other conservation measures were implemented.
Restoring native grasslands on private lands benefits a wide variety of rare species, ranging from the bobwhite quail to the swift fox to the Karner-blue butterfly.
Farmers can enhance habitat by restoring wetlands for many rare species, from salmon in the Pacific Northwest to woodstocks and panthers in southern Florida.
www.environmentaldefense.org /article.cfm?ContentID=671   (898 words)

  
 Rare Exotics
We specialize in hard-to-acquire exotic plants, as well as natural history and botanical/nature art, artifacts, corals, and fossils/minerals.
We specialize in rare species and large size plants.
Depending on which species you order, it can take up to 7 days to prepare your order for shipment, however, most orders are processed sooner.
www.rareexotics.com   (503 words)

  
 Fragile Legacy   (Site not responding. Last check: 2007-11-04)
Such practices have included draining of wetlands, damming of rivers and streams, cutting of woodlands, plowing of native prairie, controlling natural fires and overgrazing, as well as introduction of exotic species and chemical pollution.
Commercial exploitation of species for hides, pelts, medicinal or food purposes has also affected a number of species.
Although, as a society, we have become more aware of the sometimes fragile balance of nature and of the repercussions of our actions and inactions, species continue to decline, sometimes to the irreversible point of extinction.
www.npwrc.usgs.gov /resource/distr/others/sdrare/sdrare.htm   (340 words)

  
 Are U.S. Landowners Inhospitable to Rare Species to Avoid Regulation?   (Site not responding. Last check: 2007-11-04)
Listing a species is supposed to increase awareness of its plight, encourage protection of its habitats, and promote restoration of degraded environments.
Though private landowners manage the habitats of many rare species in the U.S., data on responses to conservation legislation is difficult to find, said Brook.
It is thought that over 90 percent of federally listed rare species live partly on non-federal land, and up to 50 percent are totally reliant on it.
news.nationalgeographic.com /news/2003/12/1224_031229_jumpingmouse.html   (843 words)

  
 History of the ESA
It also directs federal land agencies to preserve endangered species habitat on their lands "insofar as is practicable and consistent with their primary purpose." Other agencies were encouraged, but not required, to protect species.
The new law distinguishes threatened from endangered species, allows listing of a species that is in danger in just part of its range, allows listing of plants and invertebrates, authorizes unlimited funds for species protection, and makes it illegal to kill, harm, or otherwise "take" a listed species.
The Fish and Wildlife Service says that, in addition to 952 listed species, 139 are proposed for listing, 179 are candidates likely to need listing, and nearly 4,000 more are "species of concern": species that need monitoring but about which too little information is known to decide whether listing is needed.
www.ti.org /ESAHistory.html   (841 words)

  
 Las Vegas SUN: Judge wants explanation on protecting three rare Western species
The ruling by U.S. District Judge Ann Aiken in Portland, Ore., was hailed by environmental groups Friday as a victory in their efforts to list the Tahoe yellow cress plant, the southern Idaho ground squirrel and the sand dune lizard as threatened or endangered.
They further argued that claiming the species already were candidates for listings does not absolve the agency from responding to petition requests, or from explaining why it had not.
The service has said it lacks the money to study all the potentially threatened species, in part, because it is overwhelmed with lawsuits from environmentalists.
www.lasvegassun.com /sunbin/stories/nevada/2004/jun/25/062510422.html   (623 words)

  
 Interbreeding Threatens Rare Species, Experts Say   (Site not responding. Last check: 2007-11-04)
Summary Throughout the forests of its Pacific Northwest home, the spotted owl, listed as a threatened species, is interbreeding with the barred owl from the Midwest—creating fertile, hybrid "sparred owls." Scientists and government agencies are concerned that, like an increasing number of creatures around the world, the barred owl may interbreed itself out of existence.
When unrelated species meet and mate in the wild, it can create an ecological nightmare—especially if it involves endangered animals.
Although hybridization is a natural evolutionary process, "problems arise when it's human-caused," said Nina Fascione, vice president of species conservation for the Defenders of Wildlife.
news.nationalgeographic.com /news/2002/12/1217_021226_tvinterbreeding.html   (560 words)

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