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Thursday, August 6, 2020 | History

2 edition of Root decomposition in three coniferous forests found in the catalog.

Root decomposition in three coniferous forests

Hua Chen

Root decomposition in three coniferous forests

effects of substrate quality, temperature, and moisture

by Hua Chen

  • 58 Want to read
  • 24 Currently reading

Published .
Written in English

    Subjects:
  • Conifers -- Northwest, Pacific -- Roots.,
  • Forest soils -- Northwest, Pacific.

  • Edition Notes

    Statementby Hua Chen.
    The Physical Object
    Pagination218 leaves, bound :
    Number of Pages218
    ID Numbers
    Open LibraryOL15537474M

    Other Scholarly Content Seasonal model of litter decomposition in coniferous forests Public Deposited. Analytics (02), and soil organic matter. Processes simulated by the model include: litterfall by component, root turnover, respiration, decomposition, and organic matter transport. Data from the A. E. Thompson Experimental Forest in Cited by: 1. REGULAR ARTICLE Root quality and decomposition environment, but not tree species richness, drive root decomposition in tropical forests Nathaly R. Guerrero-Ramírez & Dylan Craven & Christian Messier & Catherine Potvin & Benjamin L. Turner & I. Tanya Handa Received: 11 .

    FORESTS. Forest biomes are dominated by trees and extend over one-third of the earth's land surface. There are three main types of forests—temperate, tropical and boreal. Each type has a different assortment of animals, climate characteristics and species compositions.   Purchase Coniferous Forests, Volume 6 - 1st Edition. Print Book & E-Book. ISBN , Book Edition: 1.

    Current understanding of litterfall and fine root dynamics in temperate forests is limited, even though these are the major contributors to carbon and nutrient cycling in the ecosystems. In this study, we investigated litterfall and fine root biomass and production in five deciduous and four coniferous forests at the Gwangneung Experimental Forest in by: 4. For example, McCullough et al. emphasized the boreal forests of North America, although they included information about coniferous forests in the Interior West and northern Rocky Mountains. Here, the focus is on on drier systems where fire is observed more often and has historically been responsible for most nutrient cycling (Harvey, ).Cited by:


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Root decomposition in three coniferous forests by Hua Chen Download PDF EPUB FB2

Books about forests and woods - natural history, ecology, conservation, environment, science, history, wildlife, travelogues, animals, plants, exploration, memoirs, survival, etc.

Score A book’s total score is based on multiple factors, including the number of people who have voted for it and how highly those voters ranked the book. Decomposition and nitrogen release from decomposing woody roots in coniferous forests of the Pacific Northwest: a chronosequence approach Hua Chen, Mark E.

Harmon, and Robert P. Griffiths Abstract: Decomposition of woody roots in Sitka spruce (Picea sitchensis (Bong.) Carrière), Douglas-fir (Pseudotsuga menziesii (Mirb.). Fine-root decomposition and N dynamics in coniferous forests of the Pacific Northwest, U.S.A.

Hua Chen, Mark E. Harmon, Jay Sexton, and Becky Fasth Abstract: We examined the effects of species, initial substrate quality, and site differences (including temperature, pre. Root turnover and productivity of coniferous forests R.

FOGEL Herbarium, University of Michigan, Ann Arbor, MI, USA Key words Ecosystem Mycorrhiza Root biomass Summary Fine roots and mycorrhizae have recently been shown to produce a major portion of the organic matter entering decomposition.

Fine-root decomposition and N dynamics in coniferous forests of the Pacific Northwest, U.S.A Article in Canadian Journal of Forest Research 32(2) February with 95 Reads. Fine roots and mycorrhizae have recently been shown to produce a major portion of the organic matter entering decomposition.

Roots and mycorrhizae constitute 63 to 70% of total net primary production in Douglas-fir and Pacific silver fir stands. The importance of roots in primary production makes the method of root extraction from the soil Cited by:   To gain insight into fine roots decomposition in subtropical China, the litter bag method was used to examine the decomposition dynamics of dry mass, N, P, K, and organic fractions in six natural forests and a Chinese fir plantation over a 2-year period in the Wanmulin Nature Reserve, Fujian.

The seven tree species examined, representative of this area, differed significantly in their initial Cited by: Forests account for 75% of the gross primary productivity of the Earth's biosphere, and contain 80% of the Earth's plant biomass.

Forest ecosystems can be found in all regions capable of sustaining tree growth, at altitudes up to the tree line, except where natural fire frequency or other disturbance is too high, or where the environment has been altered by human activity. Leaf and root litter decomposition has been a major research focus.

However, the possible effects of belowground microbial community structure and diversity on this process are poorly understood. Understanding the biochemical mechanisms controlling aboveground decomposition processes is important to predict the changes of soil carbon and nutrient cycling in response to changes of forest Cited by: 6.

Decomposition rates of foliar litter were significantly faster on the slightly warmer watersheds, in both the coniferous and deciduous forests (Analysis of Variance).

The turnover rate (year−1) was (±) for the South facing vs. (±) for the North facing coniferous watersheds, and (±) vs.

(±) for Cited by: 3. Coniferous Forests (Endangered Biomes) Hardcover out of 5 stars 1 rating. See all 8 formats and editions Hide other formats and editions. Price New from Used from Kindle "Please retry" $ — — Hardcover "Please retry" $ $ $ Hardcover: $ $ 5/5(1).

Root Diseases in Coniferous Forests of the Inland West: Potential Implications of Fuels Treatments Article (PDF Available) in USDA Forest Service - General Technical Report RMRS-GTR March Interestingly, a comparison of fine root and pine needle decomposition showed that root decomposition resulted in 28% more C being retained in the soil, litter from roots were stabilized as N-rich molecules, while needles were retained over a short period in the C-rich SOM fraction of the soil (Bird et al., ).

This contrast in decomposition. Temperate coniferous forest is a terrestrial habitat type defined by the World Wide Fund for ate coniferous forests are found predominantly in areas with warm summers and cool winters, and vary in their kinds of plant life.

In some, needleleaf trees dominate, while others are home primarily to broadleaf evergreen trees or a mix of both tree types.

Conifer - Conifer - Roots: Roots gather water and mineral nutrients from the soil and anchor and support the above-ground portions. Most conifers have rather shallow, if wide-spreading, root systems, making the trunks highly susceptible to wind and surface disturbance.

Even the largest conifers are no exceptions, and many of the individual giant sequoias (Sequoiadendron giganteum) in national. Changes in mass, carbon, nitrogen and phosphorus in logs decomposing for 30 years in three Rocky Mountain coniferous forests Can J For Res Zukswert, JM and CE Prescott ().

Relationships among leaf functional traits, litter traits, and mass loss during early phases of leaf litter decomposition in 12 woody plant species. The Nutritional Significance of Coarse Woody Debris in Three Rocky Mountain Coniferous Forests1 Cindy E.

Prescott2 and Raija Laiho3 Abstract The contribution of coarse woody debris (CWD) to carbon, nitrogen, and phosphorus cycles was assessed in forests of lodgepole pine, white spruce-lodgepole pine, and subalpine fir.

The two most important decomposers in a coniferous forest are bacteria and fungi. While earthworms do decompose matter, they are more present in deciduous forests because they mainly feed on deciduous leaves, of which there are few in a coniferous forest.

D.L. DAHLSTEN, N.J. MILLS, in Handbook of Biological Control, Coleoptera Great European Spruce Beetle, Dendroctonus micans (Kugelann): Scolytidae This bark beetle occurs in coniferous forests from Siberia in the east to central France and the United Kingdom.

It is one of only two Dendroctonus species occurring in the Palearctic region. Dendroctonus micans is primarily pest of spruce. Gorissen, A. and Cotrufo, M. () Decomposition of leaf and root tissue of three perennial grass species grown at two levels of atmospheric CO2 and N supply.

Plant and Soil,75– Gosz, J. R., Likens, G. and Bormann, F. () Nutrient release from decomposing leaf and branch litter in Hubbard Brook Forest, New. Coniferous forests (teach) 1. Where do we find them? 2.

Europe AsiaCanadaAlaskanorthern Europe,In Alaska, Canada, and northern Asia 3. Because the northern coniferous forestsare located so far north, plants andanimals have adapted to e cold in long wintersand short summers with very short growingseasons.A distinct subtype of the North American coniferous forest is the moist temperate coniferous forest, or coast forest, which is found along the west coast of North America eastward to the Rocky subtype is sometimes called temperate rain forest (see temperate forest), although this term is properly applied only to broad-leaved evergreen forests of the Southern Hemisphere.

Deciduous vs Coniferous The terms “deciduous” and “coniferous” tell us of classifying trees in two aspects which are according to their leaves and the manner of seed production. There are also other ways of classifying trees like by their group of species “hardwood” and “softwood.”/5(3).