Competition

Inter-or intraspecific interaction between individuals whereby one or more of the interacting individuals is adversely affected. (Sage Publication, 2014, Volume I pp. 204).

Photosynthetic responses of different tree species mixtures

Biodiversity regulates several aspects of ecosystem functioning and the delivery of ecosystem services. Many forest ecosystem services, such as timber production and carbon sequestration, are directly related to tree growth and photosynthesis rates. ...

Uncovering the mechanisms behind positive diversity-productivity relationships in forests.

Globally, forests play a critical role in mitigating climate change by removing CO2 from the atmosphere and storing it in wood. The strength of this carbon sync depends on a number of factors, such as climate, availability of nutrients and disturbance. On top of this, it is becoming increasingly apparent that diverse forests tend to be more productive than monocultures. But why? What are the mechanisms that enable diverse forest to outperform ones which are species poor? This is what we aim to understand.  ...

Impacts of species diversity on root systems

Trees need root systems for anchorage and for water and nutrient uptake. Root systems consist of stumps, coarse roots and fine roots.  Coarse roots have diameter larger than 2 mm, and fine roots less than 2 mm. Stumps and coarse roots are needed for anchorage and transportation of water and nutrients and their lifespan is long. Fine roots are short living and they take up water and nutrients from soil. In most forests there are in addition to trees also other plants growing in understory. Their roots are mostly fine, less than 2 mm in diameter. The tops of trees can reach the height of...
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