On the delineation of tropical vegetation types with an emphasis on forest/savanna transitions
On the delineation of tropical vegetation types with an emphasis on forest/savanna transitions
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DOI：
10.1080/17550874.2012.762812
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发表时间：
2013-01
影响因子：
1.5
通讯作者：
M. Torello-Raventos;T. Feldpausch;E. Veenendaal;F. Schrodt;G. Saiz;T. Domingues;G. Djagbletey;A. Ford;J. Kemp;B. Marimon;Ben Hur Marimon Junior;E. Lenza;J. Ratter;L. Maracahipes;D. Sasaki;B. Sonké;L. Zapfack;H. Taedoumg;D. Villarroel;M. Schwarz;C. Quesada;F. Yoko Ishida;G. B. Nardoto;K. Affum‐Baffoe;L. Arroyo;David M.J.S. Bowman;H. Compaore;K. Davies;A. Diallo;N. Fyllas;M. Gilpin;F. Hien;Michelle O. Johnson;T. Killeen;D. Metcalfe;H. Miranda;M. Steininger;J. Thomson;K. Sykora;E. Mougin;P. Hiernaux;M. Bird;J. Grace;S. Lewis;O. Phillips;J. Lloyd
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文献类型：
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作者：
M. Torello-Raventos;T. Feldpausch;E. Veenendaal;F. Schrodt;G. Saiz;T. Domingues;G. Djagbletey;A. Ford;J. Kemp;B. Marimon;Ben Hur Marimon Junior;E. Lenza;J. Ratter;L. Maracahipes;D. Sasaki;B. Sonké;L. Zapfack;H. Taedoumg;D. Villarroel;M. Schwarz;C. Quesada;F. Yoko Ishida;G. B. Nardoto;K. Affum‐Baffoe;L. Arroyo;David M.J.S. Bowman;H. Compaore;K. Davies;A. Diallo;N. Fyllas;M. Gilpin;F. Hien;Michelle O. Johnson;T. Killeen;D. Metcalfe;H. Miranda;M. Steininger;J. Thomson;K. Sykora;E. Mougin;P. Hiernaux;M. Bird;J. Grace;S. Lewis;O. Phillips;J. Lloyd
背景：对于热带地区的许多不同植被形成类型，目前还没有普遍认可的分类方案。这阻碍了跨大陆的比较，并造成混乱，因为“森林”和“稀树草原”等词对不同的人有不同的含义。因此，在建模、遥感和生态研究中，热带植被的定义通常是不准确和/或模糊的。目的：将观察到的热带植被结构和植物区系组成的变化纳入一个单一的分类方案。研究方法：使用结构和植物区系的测量在三大洲，离散的热带植被群的上层和下层结构和物种组成的基础上，通过聚类技术进行了定义。结果如下：12个结构分组的基础上确定的高度和树冠覆盖的优势上层和下层的木本灌木覆盖和草覆盖的程度。然而，结构分类并不总是同意那些基于植物区系组成，特别是位于森林稀树草原过渡带的地块。这种二元性被纳入一个新的热带植被分类方案。结论：植物区系和林分结构都是有意义地划分热带植被形成的重要标准，特别是在森林/稀树草原过渡带。已制定了一个纳入这一信息的新的热带植被分类方案。
Background: There is no generally agreed classification scheme for the many different vegetation formation types occurring in the tropics. This hinders cross-continental comparisons and causes confusion as words such as ‘forest’ and ‘savanna’ have different meanings to different people. Tropical vegetation formations are therefore usually imprecisely and/or ambiguously defined in modelling, remote sensing and ecological studies. Aims: To integrate observed variations in tropical vegetation structure and floristic composition into a single classification scheme. Methods: Using structural and floristic measurements made on three continents, discrete tropical vegetation groupings were defined on the basis of overstorey and understorey structure and species compositions by using clustering techniques. Results: Twelve structural groupings were identified based on height and canopy cover of the dominant upper stratum and the extent of lower-strata woody shrub cover and grass cover. Structural classifications did not, however, always agree with those based on floristic composition, especially for plots located in the forest–savanna transition zone. This duality is incorporated into a new tropical vegetation classification scheme. Conclusions: Both floristics and stand structure are important criteria for the meaningful delineation of tropical vegetation formations, especially in the forest/savanna transition zone. A new tropical vegetation classification scheme incorporating this information has been developed.