Browsing Journal Articles by Author "Ratnam, J"

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Determinants of woody cover in African savannas

Author: Sankaran, M ; Hanan, NP ; Scholes, RJ ; Ratnam, J ; Augustine, DJ ; Cade, BS ; Gignoux, J ; Higgins, SI ; Le Roux, X ; Ludwig, F ; Ardo, J ; Banyikwa, F ; Bronn, A ; Bucini, G ; Caylor, KK ; Coughenour, MB ; Diouf, A ; Ekaya, W ; Feral, CJ ; February, EC ; Frost, PGH ; Hiernaux, P ; Hrabar, H ; Metzger, KL ; Prins, HHT ; Ringrose, S ; Sea, W ; Tews, J ; Worden, J ; Zambatis, N Date: 08 Dec 2005 Savannas are globally important ecosystems of great significance to human economies. In these biomes, which are characterized by the co-dominance of trees and grasses, woody cover is a chief determinant of ecosystem properties (1-3). The ... Read more
Savanna vegetation-fire-climate relationships differ among continents

Author: Lehmann, CER ; Anderson, TM ; Sankaran, M ; Higgins, SI ; Archibald, S ; Hoffmann, WA ; Hanan, NP ; Williams, RJ ; Fensham, RJ ; Felfili, J ; Hutley, LB ; Ratnam, J ; San Jose, J ; Montes, R ; Franklin, D ; Russell-Smith, J ; Ryan, CM ; Durigan, G ; Hiernaux, P ; Haidar, R ; Bowman, DMJS ; Bond, WJ Date: Jan 2014 Ecologists have long sought to understand the factors controlling the structure of savanna vegetation. Using data from 2154 sites in savannas across Africa, Australia, and South America, we found that increasing moisture availability drives ... Read more
When is a ‘forest’ a savanna, and why does it matter?

Author: Ratnam, J ; Bond, WJ ; Fensham, RJ ; Hoffmann, WA ; Archibald, S ; Lehmann, CER ; Anderson, MT ; Higgins, SI ; Sankaran, M Date: Sep 2011 Savannas are defined based on vegetation structure, the central concept being a discontinuous tree cover in a continuous grass understorey. However, at the high-rainfall end of the tropical savanna biome, where heavily wooded mesic savannas ... Read more

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Browsing Journal Articles by Author "Ratnam, J"

Browsing Journal Articles by Author "Ratnam, J"

Browse

All of ResearchSpace

This Collection

Quick Links

Legislation and compliance

General Enquiries

Social Connect