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Season of grazing and stocking rate interactively affect fuel loads in Baikiaea plurijuga Harms woodland in northwestern Zimbabwe

Gambiza, J, Campbell, B, Moe, S and Mapaure, I (2008). Season of grazing and stocking rate interactively affect fuel loads in Baikiaea plurijuga Harms woodland in northwestern Zimbabwe. African Journal of Ecology,46(4):637-645.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 2 times in Scopus Article | Citations

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IRMA ID A00002xPUB47
Title Season of grazing and stocking rate interactively affect fuel loads in Baikiaea plurijuga Harms woodland in northwestern Zimbabwe
Author Gambiza, J
Campbell, B
Moe, S
Mapaure, I
Journal Name African Journal of Ecology
Publication Date 2008
Volume Number 46
Issue Number 4
ISSN 0141-6707   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-57449097215
Start Page 637
End Page 645
Total Pages 9
Place of Publication UK
Publisher Wiley-Blackwell Publishing
Field of Research 0602 - Ecology
HERDC Category C1 - Journal Article (DEST)
Abstract Wildfire is a major disturbance in Baikiaea plurijuga Harms woodland savannas. We tested the hypothesis that the timing and intensity of herbivory influence fuel loads. We used three stocking rates namely light (three cows and four goats ha−1), medium (six cows and eight goats ha−1) and heavy (eleven cows and sixteen goats ha−1) and three times of grazing namely early-, middle- and late-growing seasons. Season of grazing and stocking rate influenced herbaceous phytomass. Phytomass was generally the highest (53.5 g DM m−2) in paddocks grazed during the early growing season and the lowest (27.8 g DM m−2) in those grazed during the late growing season. Phytomass was also generally the highest (40.4 g DM m−2) in lightly stocked paddocks and the lowest (32.7 g DM m−2) in heavily stocked ones. Litter mass was the lowest (160.8 g DM m−2) in paddocks grazed during the early season whereas there were no differences in ungrazed paddocks and those grazed during either mid- or late growing seasons (205.4 g DM m−2). There was a negative relationship between litter mass and stocking rate. Baikiaea Benth. woodlands should be grazed during either the mid- or late-growing season at stocking rates greater than 0.1 LU ha−1 to reduce grass fuel loads.
DOI http://dx.doi.org/10.1111/j.1365-2028.2008.00951.x   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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