scholarly journals Land‐use history determines stand structure and tree diversity in vanilla agroforests of northeastern Madagascar

2021 ◽  
Vol 24 (1) ◽  
Author(s):  
Kristina Osen ◽  
Marie Rolande Soazafy ◽  
Dominic Andreas Martin ◽  
Annemarie Wurz ◽  
Adriane März ◽  
...  
Life ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 408
Author(s):  
Gizachew Zeleke ◽  
Tatek Dejene ◽  
Wubalem Tadesse ◽  
Pablo Martín-Pinto

In this study, we evaluated stand status, dendrometric variables, and fruit production of Tamarind (Tamarindus indica L.) trees growing in bushland and farmland-use types in dryland areas of Ethiopia. The vegetation survey was conducted using the point-centered quarter method. The fruit yield of 54 trees was also evaluated. Tree density and fruit production in ha were estimated. There was a significant difference in Tamarind tree density between the two land-use types (p = 0.01). The mean fruit yield of farmland trees was significantly higher than that of bushland trees. However, Tamarind has unsustainable structure on farmlands. Differences in the dendrometric characteristics of trees were also observed between the two land-use types. Predictive models were selected for Tamarind fruit yield estimations in both land-use types. Although the majority of farmland trees produced <5000 fruit year−1, the selection of Tamarind germplasm in its natural ranges could improve production. Thus, the development of management plans to establish stands that have a more balanced diameter structure and thereby ensure continuity of the population and fruit yields is required in this area, particularly in the farmlands. This baseline information could assist elsewhere in areas that are facing similar challenges for the species due to land-use change.


2021 ◽  
Vol 494 ◽  
pp. 119296
Author(s):  
Marion A. Holmes ◽  
James V. Whitacre ◽  
Leland D. Bennion ◽  
Jessica Poteet ◽  
Sara E. Kuebbing

Ecosystems ◽  
2021 ◽  
Author(s):  
Ernest D. Osburn ◽  
Julia S. Simpson ◽  
Brian D. Strahm ◽  
J. E. Barrett

2002 ◽  
Vol 46 (1) ◽  
Author(s):  
Dietrich Schmidt-Vogt

AbstractManagement of secondary tropical forests: a new perspective for sustainable use of forests in Asia. The decline of primary forests in the tropics is leading to a reassessment of the role secondary forests might play within the context of tropical forest management. Recent research has shown that secondary forests in the tropics can be both rich in species and complex in terms of stand structure. There is, moreover, a growing recognition of the importance of secondary forests for traditional subsistence economies in the tropics and of their economic potential for land use systems in the future. Management of secondary forests in Asia as an alternative to the extraction of timber from primary forests but also as one among other options to intensify traditional land use systems has a potential for the future especially because of the existence of vast tracts of valuable secondary forest cover, and because of the store of traditional knowledge that can still be found in tropical Asia.


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