Coniferous forest - ecosystem, Biology

Assignment Help:

Coniferous forest - Ecosystem

Cold regions with high rainfall and strongly seasonal climates with long winters and fairly short summers are characterised by boreal coniferous forest which is transcontinental. For example, adjacent to Tundra regions either at latitude or high altitude is the northern coniferous forest, which stretches across both north America and Eurasia just south of Tundra (i.e. Canada, Sweden, Finland and Siberia). The term taiga is applied to the northern range of coniferous forests.

This is characterised by evergreen plant species such as Spruce. (Picea glauca), fir (Abies balsamea ) and pine trees (Pinus resinosalPinus strobus) and by animals such as the lynx, wolf, bear, red fox, porcupine, squirrel, and amphibians like Hyla, Rana, etc. Boreal forest soils are thin podozols and are rather poor both because the weathering of rocks proceeds slowly in cold environments and because the litter derived from conifer needle is broken down very slowly and is not particularly rich in nutrients. These soils are acidic and are mineral deficient. This is due to movement of large amounts of water through the soil, without a significant counter upward movement of evaporation, essential soluble nutrients like calcium, nitrogen and potassium which are leached sometimes beyond the reach of roots. This process leaves no alkaline oriented cations to encounter the organic acids of the accumulating litter. The productivity and community stability of a boreal forest are lower then those of any other biome.


Related Discussions:- Coniferous forest - ecosystem

Kreb cycle, where does kreb cycle takes place

where does kreb cycle takes place

Chromosomes and molecular homology, CHROMOSOME S AND MOLECULAR HOMOLOGY - ...

CHROMOSOME S AND MOLECULAR HOMOLOGY - The DNA content of diploid cells is similar. Hoyer et al in 1965 showed that DNA of humans was 100% similar with chimpanzee and 94%

Define tips that should be followed before an event start, Define Tips that...

Define Tips that should be followed before an event Start? Before the event, following tips should be followed:   As the glycogen stores may be used up during night, a h

What is active transport , The active transport of molecules requires a...

The active transport of molecules requires an input of metabolic energy and this can  be  derived  either  from  direct  coupling  to  the  hydrolysis  of  ATP  or  by coupling to

Write a hypothesis and null hypothesis, Determine which of the following ob...

Determine which of the following observations (A-J) could lead to a testable hypothesis. For those that are testable: Write a hypothesis and null hypothesis What would be your expe

How to increased co2 levels in the atmosphere, Increased CO 2 levels in th...

Increased CO 2 levels in the atmosphere are correlated with rising global temperatures, leading many scientists to believe that the first phenomenon has caused the second. What wo

Difference between an ecological niche and a habitat, What is the differenc...

What is the difference between an ecological niche and a habitat? An ecological niche is a set of peculiar activities, resources and methods that a species explores to survive

Animal disease model, Animal disease model The second area of transgeni...

Animal disease model The second area of transgenic application in agriculture is to develop lines of animals resistant to some specific damaging diseases. While the genes of in

State the number of nuclear dna molecules, For each of the following stages...

For each of the following stages, state the number of nuclear DNA molecules in one of your cells (i.e., 23,46, or...) and its ploidy (i.e.,n, 2n, or...). 1.) Prophase of mitosis

Explain ketogenic diet, Explan Ketogenic diet Ketogenic diet:   It is ...

Explan Ketogenic diet Ketogenic diet:   It is occasionally used to facilitate the control of epilepsy. Here, the patient  is  initially  fasted  for  48 hours and thereafter,

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd