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Topic: Coniferous forests


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  Tropical and subtropical coniferous forests - Wikipedia, the free encyclopedia
Tropical and subtropical coniferous forests are a forest biome.
Most tropical and subtropical coniferous forest ecoregions are found in the Nearctic and Neotropic ecozones, from Mexico to Nicaragua and on the Greater Antilles, Bahamas, and Bermuda.
Tropical and subtropical coniferous forests · Temperate broadleaf and mixed forests · Temperate coniferous forests · Boreal forests/taiga ·Tropical and subtropical grasslands, savannas, and shrublands · Temperate grasslands, savannas, and shrublands · Flooded grasslands and savannas · Montane grasslands and shrublands · Tundra ·Mediterranean forests, woodlands, and shrub · Deserts and xeric shrublands · Mangrove
en.wikipedia.org /wiki/Tropical_and_subtropical_coniferous_forests   (184 words)

  
 Temperate coniferous forests - Wikipedia, the free encyclopedia
Temperate coniferous forests are a terrestrial biome found in temperate regions of the world with warm summers and cool winters and adequate rainfall to sustain a forest.
Temperate evergreen forests are common in the coastal areas of regions that have mild winters and heavy rainfall, or inland in drier climates or mountain areas.
Temperate coniferous forests · Boreal forests/taiga ·Tropical and subtropical grasslands, savannas, and shrublands · Temperate grasslands, savannas, and shrublands · Flooded grasslands and savannas · Montane grasslands and shrublands · Tundra ·Mediterranean forests, woodlands, and shrub · Deserts and xeric shrublands · Mangrove
en.wikipedia.org /wiki/Temperate_coniferous_forests   (444 words)

  
 CSU Libraries: Garst Wildlife Photos: Biomes: Forests
Coniferous forests are found mostly in the northern parts of North America, Europe, and Asia.
Coniferous forests are usually in areas where the summer is short and the winter is long and cold with heavy snowfall lasting up to 6 or 7 months.
A deciduous forest differs from the coniferous forest in that the trees are broadleaved and fall off the tree during late summer to early autumn.
lib.colostate.edu /wildlife/forest_biome.html   (729 words)

  
 WWF - Coniferous Forests
Coniferous forests are made up mainly of cone-bearing or coniferous trees, such as spruces, hemlocks, pines and firs.
Coniferous forests are found mainly in the northern hemisphere, although some are found in the southern hemisphere.
Coniferous trees thrive where summers are short and cool and winters long and harsh, with heavy snowfall that can last as long as six months.
www.panda.org /news_facts/education/virtual_wildlife/wild_places/coniferous_forests.cfm   (396 words)

  
 Coniferous forest - Biomes of Minnesota: Minnesota DNR
The coniferous forest in Minnesota is found in the northern half of the state, but grades into the deciduous forest then prairie grassland in the northwestern part of the state.
Logging, fire, and development have altered the coniferous forest biome in the past 200 years, yet there are still some untouched conifers existing today.
The coniferous forest biome is often considered to be cool and moist.
www.dnr.state.mn.us /biomes/coniferous.html   (347 words)

  
 Northern Coniferous Forest Biome
Compared to the arctic tundra, the climate of the boreal forest is characterized by a longer and warmer growing season.
Here, forest trees are interspersed with tundra plants, the former occupying more stable soils not subject to movement or heaving due to cyclic freezes and thaws.
Much of the northern coniferous forest biome is covered with lakes, which eventually fill with mineral and organic matter to form bogs.
www.cnr.vt.edu /dendro/Forsite/ncfbiome.htm   (788 words)

  
 The Ecological Role of Fire in Sierran Conifer Forests   (Site not responding. Last check: 2007-10-31)
Sierran forests vary in density and size from north to south, with denser forests and trees of shorter stature in the north and more open forests of larger trees in the south, culminating in the groves of giant sequoias (Sequoiadendron giganteum).
Shrubs of the various coniferous forest types, including most species of Arctostaphylos and Ceanothus, are almost entirely fire-dependent, and these species have become increasingly scarce during the past 50 yr, thus reducing the value of these areas for deer and other wildlife.
The influence of fire on wildlife in various Sierran conifer forests is largely related to fire's role in (1) stimulating germination or sprouting of species of shrubs, herbaceous plants, or trees that are useful to mammals or birds for food or cover; or (2) making openings in the forest understory or canopy that favor wildlife.
www.nps.gov /seki/fire/f_conif.htm   (7261 words)

  
 EO Experiments: Coniferous Forest Biome
Between the tundra to the north and the deciduous forest to the south lies the large area of coniferous forest.
One type of coniferous forest, the northern boreal forest, is found in 50° to 60°N latitudes.
In the northern boreal forests, the winters are long, cold and dry, while the short summers are moderately warm and moist.
earthobservatory.nasa.gov /Laboratory/Biome/bioconiferous.html   (237 words)

  
 Temperate & Coniferous Forests
Several centuries ago the coniferous forest covered all of Canada (except for the northern fringe), Europe, and northern Siberia; at the same time the leafy hardwood forest occupied eastern United States, the temperate zone of Europe (from England and France to Poland), and southeastern Siberia.
On the contrary, the hardwood forest (oak, beech, and chestnut) is one of the richest of environments.
These forests, with their zoological void, are spreading to the south and pushing out such hardwood forests as remain, along with their diversity of animal life.
www.fortunecity.com /westwood/idea/183/id214.htm   (331 words)

  
 Forests - Crystalinks
Forests sometimes contain many tree species within a small area (as in tropical rain and temperate deciduous forests), or relatively few species over large areas (e.g., taiga and arid montane coniferous forests).
Tropical and subtropical forests include tropical rainforests, tropical and subtropical moist forests, tropical and subtropical dry forests, and tropical and subtropical coniferous forests.
Forests can also be classified more specifically based on the dominant tree species present, resulting in numerous different forest types (e.g., ponderosa pine/Douglas-fir forest).
www.crystalinks.com /forests.html   (510 words)

  
 Fact Sheets > Coniferous Forest or Taiga Biome
Another type, temperate coniferous forests, grows in lower latitudes of North America, Europe, and Asia, in the high elevations of mountains.
Coniferous forests consist mostly of conifers, trees that grow needles instead of leaves, and cones instead of flowers.
Precipitation in coniferous forests varies from 300 to 900 mm annually, with some temperate coniferous forests receiving up to 2,000 mm.
www.fact-sheets.com /science-nature/biomes/coniferous_forest   (302 words)

  
 Coniferous 3
The coniferous forest or taiga (the word the Russians use for coniferous forest) is located in the nothern latitudes.
The coniferous forest gets the name coniferous because the main type of vegetation located in it is conifers such as pines.
This means that the tundra is at a latitude that is farther away from the equator then the taiga is and the deciduous forest is closer to the equator then the taiga is.
ths.sps.lane.edu /biomes/coniferous3/coniferous3.html   (707 words)

  
 Habitat Awareness Coniferous Forest
Coniferous forests are located south of the Tundra, but north of the Temperate Deciduous forests and Temperate Grasslands.
Coniferous forests are cold and covered with snow for most of the year - usually from October to May.
Mining operations are a threat to the Coniferous forests because of the chemicals used in mining and the silt released by mining.
www.inchinapinch.com /hab_pgs/terres/coniferous/c_forest.htm   (1910 words)

  
 SCOPE 56 - Global Change: Effects on Coniferous Forests and Grasslands, Chapter 3 , Carbon Budget: Temperate Coniferous ...
In summary, the quoted literature suggests that coniferous forests accumulated organic C during recent decades and were a C sink in its global budget.
The sink is a consequence of a combination of regrowing forests, CO fertilization and N fertilization from poluted rain.
Temperate conifer forests are common in the western half of North America, across extreme moisture and temperature gradients from west to east resulting from the Cascade, Sierra Nevada and Rocky Mountains.
www.icsu-scope.org /downloadpubs/scope56/Chapter03.html   (9209 words)

  
 Terrestrial Ecoregions -- Northeastern Himalayan subalpine conifer forests (PA0514)
Similar forests are distributed throughout the eastern Himalayan region where elevation and precipitation patterns are appropriate, usually from 3,000 to 4,000 m elevation in valleys that are partially shielded from the monsoon.
Subalpine coniferous forests occupy Himalayan "inner valleys" where the force of the South Asian monsoon is diminished by intervening mountain ranges, but where precipitation is still adequate to support lush forest vegetation.
In similar forests of eastern Nepal, the species richness of vascular epiphytes is less than the temperate forests of lower elevation, but the subalpine forests appear to have a very rich assemblage of lichens and epiphytic mosses.
www.worldwildlife.org /wildworld/profiles/terrestrial/pa/pa0514_full.html   (1198 words)

  
 The Forest Biome
However, forests are becoming major casualties of civilization as human populations have increased over the past several thousand years, bringing deforestation, pollution, and industrial usage problems to this important biome.
Present-day forest biomes, biological communities that are dominated by trees and other woody vegetation (Spurr and Barnes), can be classified according to numerous characteristics, with seasonality being the most widely used.
They occur near the equator, within the area bounded by latitudes 23.5 degrees N and 23.5 degrees S. One of the major characteristics of tropical forests is their distinct seasonality: winter is absent, and only two seasons are present (rainy and dry).
www.ucmp.berkeley.edu /glossary/gloss5/biome/forests.html   (915 words)

  
 World Builders: The Coniferous Forest Biome E Viau CSULA
Evergreen coniferous forests, which are also called tiaga, begin where tundra gives way to trees.
The climate in evergreen forests is pleasant in summer, when temperatures may rise into the eighties and evenings are cool.
Coniferous trees, ferns, and mosses are ancient plant families.
curriculum.calstatela.edu /courses/builders/lessons/less/biomes/conifers/tiaga.html   (425 words)

  
 Temperate Deciduous Forest Animal Printouts - EnchantedLearning.com
Temperate deciduous forests are forests in cool, rainy areas; they have trees that lose their leaves in Fall and regrow them in Spring.
Temperate deciduous forests are found in the middle latitudes around the globe and have four distinct seasons: Spring, Summer, Fall, and Winter.
The soil in the deciduous forests is quite fertile, since it is often enriched with falling leaves, twigs, logs, and dead organisms.
www.enchantedlearning.com /biomes/tempdecid/tempdecid.shtml   (606 words)

  
 New Forests Project--Agroforestry Information
Other people, from the eastern United States may envision deciduous forests (PINK), found within the United States' temperate zone, recognizable by their broad leaves which change color and fall off when the days get shorter and the weather turns colder in the fall.
From the coniferous forests of the Himalayas to the Guatemalan mangroves, forests are in retreat.
When a forest is destroyed, this release of moisture back into the air is lost, which results in less rainfall for that area in the future.
www.newforestsproject.com /English/treeed.html   (2616 words)

  
 Coniferous Forests
Coniferous Forest Biome is one of the largest on Earth.
Winters in Coniferous Forests are long and cold, and most of the precipitation falls in the summer.
In the past 50 years, high levels of commercial logging have reduced the forests to about 10% of their original size.
www.ncat.edu /~student3/pt3/G6/coniferous_forests.htm   (209 words)

  
 Encyclopedia :: encyclopedia : Coniferous   (Site not responding. Last check: 2007-10-31)
Altai montane forest and forest steppe (China, Kazakhstan, Mongolia, Russia)
Balkan montane conifer forests (Bosnia and Herzegovina, Bulgaria, Greece, Macedonia, Romania, Serbia and Montenegro)
Carpathian montane conifer forests (Czech Republic, Poland, Romania, Slovakia, Ukraine)
www.hallencyclopedia.com /Coniferous   (546 words)

  
 THE QUESTION OF CONVERSION OF CONIFEROUS FORESTS
Conversion or restoration of coniferous stands may reduce these risks and upgrade biodiversity and the genetic potential of forests.
As the future wood markets, economic results of forestry, and various other goods and services, which forest ecosystems provide to society, are affected by present and future decision making all aspects of conversion must be well understood.
Renowned forest researchers will present reviews of key research topics in the field of conversion of coniferous forests, regarding forest restoration as well as continuous cover forestry.
www.ffu.uni-freiburg.de /Waldwachstum/Conforest/conference2003.htm   (689 words)

  
 Terrestrial Ecoregions -- Khangai Mountains conifer forests (PA0512)
The ecoregion is surrounded by Selenge-Orkhon forest steppe in the north and meets the Khangai mountain alpine meadows in the south.
Larch forests are abundant in the medium and upper areas of the mountains and sometimes create the upper border of the forests.
The dominant forest larches in the Khangai are green conifer with nuts.
www.worldwildlife.org /wildworld/profiles/terrestrial/pa/pa0512_full.html   (999 words)

  
 Eastern Forests: Boreal
The Boreal forest region is the northernmost forest and the largest.
Bogs also exist in the forests where there are aquatic plants and these bogs are normally covered with sphagnum moss, ferns and shrubs such as willows and blueberries.
Birding in the boreal forest is difficult due to the dense nature of the forest.
www.birdnature.com /boreal.html   (458 words)

  
 Protect ancient forests | Greenpeace International
And many of the people and cultures who depend on these forests for their way of life are also under threat.
They include boreal, temperate and tropical forests, coniferous and broadleaf forests, rainforests and mangroves.
These ancient forests are home to millions of forest people who depend on them for their survival - both physically and spiritually.
www.greenpeace.org /international/campaigns/forests   (441 words)

  
 Coniferous Forests-VHS   (Site not responding. Last check: 2007-10-31)
The coniferous forest biome is made up of cone-bearing trees such as pines, firs and spruce, as well as a varied assortment of other organisms adapted to live in this unique region.
Coniferous Forests will take students on a fun-filled trip from Asia to North America to explore these treasured woodlands, taking an up-close look at their shared characteristics while discovering the animal and plant life that call this biome home.
An interview with an ecologist examines the lasting impact that natural forces such as wind and fire have had on these forests, while a dramatic experiment illustrates how pollution is emitted from forest fires.
gpn.unl.edu /static_catalog/828_001.html   (105 words)

  
 Forests - Deciduous & Coniferous   (Site not responding. Last check: 2007-10-31)
Learn about this Canadian forest and find out about the animals, birds, and plants that make it their home.
Read an overview of the CHANGES in Canada's forest sector, protected areas, forest-dwelling species that are at risk, First Nations and Forests in Canada and a glossary of forest terms.
This unit is to make students aware of forest products, types of trees, the value of forests, the damage that forest fires cause, and how the forests help the earth.
www.eagle.ca /~matink/themes/Biomes/forests.html   (1735 words)

  
 Tundra climate   (Site not responding. Last check: 2007-10-31)
The climate of a coniferous forest varies greatly upon the location.
Pacific Coast coniferous forests form from Alaska southeast to Northern California which is the greatest stand of timber in the world.
The coniferous forests get about 75-200 centimeters of rain per year.
ths.sps.lane.edu /biomes/coniferous4/coniferous4c.html   (101 words)

  
 Improving Nutrient Use Efficiency in Coniferous Forests
Forest managers are striving to produce more timber and fiber per acre on land available for harvest by removing nutrient limitations to tree growth.
The goal of this project is to understand the fundamental ecological processes that determine the NUE of coniferous forests.
The project is examining key physiological and environmental factors that influence tree responses to increases in nutrient availability and modeling annual nutrient demand as a function of tree growth rate and nutrient use by vegetation, shrubs, and soil microorganisms.
www.okstate.edu /ag/asnr/fore/research/hennessey/nutrientuse.html   (306 words)

  
 Optical Properties of Coniferous Forests
The information needed to pose the problem consist of the scattering phase function of a single scatterer, the density distribution of the scatterers in the medium, and the boundary conditions for the radiative forcing on the medium boundary.
Radiative transfer theory has been quite successfully applied to model the reflective properties of broadleaved forest canopies, and via model inversion this has resulted in methods that can be used for mapping forests based on satellite images.
However, there is a well known discrepancy between the current models and the measured reflective properties of coniferous forests.
www.rni.helsinki.fi /biometry/BM_opt_pro.html   (350 words)

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