Plant-animal interactions in forest ecosystems

Political science   |   Ecology & environment   |   Presentation   |   11/21/2008   |   .doc   |   7 pages
Document abstract : « size or shape to contact the anthers or stigma, or because they obtain nectar by piercing the sides of the corolla thereby bypassing the reproductive tissues. ...»

Synopsis abstract : «Introduction.. Mutualistic interactions.. Pollination.. Invertebrate pollinators.. Seed dispersal.. Plant protection by Ants.. Antagonistic interactions.. Herbivory and plant defenses.. Seed predation.. Mechanical damage.. Concl...»

Propagation technology for forest trees

Political science   |   Ecology & environment   |   Presentation   |   11/28/2008   |   .doc   |   8 pages
Document abstract : « damaging the roots. Sprouts can also serve as good sources of cuttings or tissues for subsequent cloning to other sites. They are ...»

Synopsis abstract : «Introduction.. Seeds.. Natural regeneration.. Arti?cial regeneration.. Orchard seeds.. Sprouts.. Physiological condition and maturation state.. Maturation as a developmental genetic process.. The effects of maturation state on the performance of...»

The global and forest environment carbon cycle

Political science   |   Ecology & environment   |   Presentation   |   11/25/2008   |   .doc   |   5 pages
Document abstract : « The biomass pools in a forest can be divided into the above- and below-ground tissues of plants, woody debris, the forest ï¬???oor, the mineral soil, and the ...»

Synopsis abstract : «Introduction.. The global carbon cycle.. The forest carbon cycle.. The difference between GPP and autotrophic respiration.. The biomass pools in a forest.. The ?gures for global NPP, NBP, and RH.. Increasing indications - carbon stocks in the...»

Natural disturbances in forest environments

Political science   |   Ecology & environment   |   Presentation   |   11/21/2008   |   .doc   |   7 pages
Document abstract : « After a tree dies its tissues decompose and contribute to ?uxes of carbon and nutrients from plant biomass into microbial biomass and soil compartments. ...»

Synopsis abstract : «Introduction.. Small-scale disturbance: gap phase dynamics.. Changes in microclimate and resource availability following gap creation.. Forest regeneration in gaps.. The changes in microclimate and resource availability.. Photoblastic...»

Clean water resource challenge

Political science   |   Ecology & environment   |   Term papers   |   06/07/2009   |   .doc   |   4 pages
Document abstract : « Marine animals concentrate toxins in their tissues, and over time, the toxins can accumulate and be held in the animal s bodies and eventually kill the animals ...»

Synopsis abstract : «Introduction. Categories of water pollution. Water pollution from farming. Major pollutants. Method to reduce and control environmental pollution . Global environmental mandate . Conclusion. Bibliography....»

Environmental pollution: A growing problem

Political science   |   Ecology & environment   |   Term papers   |   03/24/2009   |   .doc   |   5 pages
Document abstract : « Radiation damages the cells and tissues and the extent of it depends on the various factors such as amount of radiation exposed, its duration, age of the ...»

Synopsis abstract : «Introduction. Pollution. Types of pollutants. Air pollution. Types of air pollutants. Effects of air pollution. Water pollution. Sources of water pollution. Effects of water pollution. Soil pollution. Effects of soil pollution. Marine...»

Cytogenetics of forest tree species

Political science   |   Ecology & environment   |   Presentation   |   11/25/2008   |   .doc   |   9 pages
Document abstract : « uniform stain. Root-tip meristematic tissue and, to a lesser extent, terminal bud or young leaf tissues were used. Before ?xing ...»

Synopsis abstract : «Introduction.. Plant breeding.. Cytogenetic investigations of forest tree species.. The main interest in forest tree cytogenetics in the early 1900's.. Cell division and chromosomes.. Cell division - nuclear (karyokinesis) and cytoplasmic...»

A study on how weather affects populations

Political science   |   Ecology & environment   |   Term papers   |   04/16/2009   |   .doc   |   7 pages
Document abstract : « However, on the lower strata of the atmosphere, near to the ground level, Ozone is a harmful pollutant that damage lung tissues. ...»

Synopsis abstract : «Macro level influences. Impact on human migrations and growth of civilizations. Global warming . Impact on the economy. Destruction and displacement. Spread of diseases. Impact on mortality. Micro level influences. Impact on human health. Impact on...»

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