Soils and rainfall drive landscape-scale changes in the diversity and functional composition of tree communities in premontane tropical forest

2017 ◽  
Vol 28 (4) ◽  
pp. 859-870 ◽  
Author(s):  
Cecilia M. Prada ◽  
Arturo Morris ◽  
Kelly M. Andersen ◽  
Benjamin L. Turner ◽  
Pedro Caballero ◽  
...  
Ecology ◽  
2013 ◽  
Vol 94 (6) ◽  
pp. 1211-1216 ◽  
Author(s):  
Madelon Lohbeck ◽  
Lourens Poorter ◽  
Edwin Lebrija-Trejos ◽  
Miguel Martínez-Ramos ◽  
Jorge A. Meave ◽  
...  

Author(s):  
Stephan Kambach ◽  
Richard Condit ◽  
Salomón Aguilar ◽  
Helge Bruelheide ◽  
Sarayudh Bunyavejchewin ◽  
...  

All species must balance their allocation to growth, survival and recruitment. Among trees, evolution has resulted in different strategies of partitioning resources to these key demographic processes, i.e. demographic trade-offs. It is unclear whether the same demographic trade-offs structure tropical forests worldwide. Here, we used data from 13 large-scale and long-term tropical forest plots to estimate the principal trade-offs in growth, survival, recruitment, and tree stature at each site. For ten sites, two trade-offs appeared repeatedly. One trade-off showed a negative relationship between growth and survival, i.e. the well-known fast−slow continuum. The second trade-off distinguished between tall-statured species and species with high recruitment rates, i.e. a stature−recruitment trade-off. Thus, the fast-slow continuum and tree stature are two independent dimensions structuring most tropical tree communities. Our discovery of the consistency of demographic trade-offs and strategies across forest types in three continents substantially improves our ability to predict tropical forest dynamics worldwide.


Our Nature ◽  
1970 ◽  
Vol 8 (1) ◽  
pp. 313-321 ◽  
Author(s):  
M.G. Kibria ◽  
T. Sunderland ◽  
S.A. Rahman ◽  
A. Imtiaj

Drastic deforestation is a major problem of Bangladesh which is contributing to negative downstream impacts on the environment. To address this problem various measurements should be taken at different scales. The main objective of this study is to suggest the possible steps that Bangladesh could halt and reverse the trend of deforestation. An extensive literature review and interviews with government officials, professionals and NGO workers have been used to collect relevant information on the drivers of deforestation in the country. Based on the information gathered, this paper presents the reasons and extent of deforestation, and suggests some positive steps where the Government could be the main mitigating performer by implementing integrated programmes, which will also ensure mass awareness and wider impact. Local NGOs and international bodies must also formulate adequate plans to protect valuable areas of remaining forest.DOI: 10.3126/on.v8i1.4340


Ecosystems ◽  
2016 ◽  
Vol 20 (5) ◽  
pp. 861-871 ◽  
Author(s):  
Marijn Bauters ◽  
Hans Verbeeck ◽  
Sebastian Doetterl ◽  
Evy Ampoorter ◽  
Geert Baert ◽  
...  

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