Does low phosphorus supply limit seedling establishment and tree growth in groves of ectomycorrhizal trees in a central African rainforest?

Newbery, David McClintock; Chuyong, Georg; Green, J. J.; Songwe, N. C.; Tchuenteu, F.; Zimmermann, Lukas (2002). Does low phosphorus supply limit seedling establishment and tree growth in groves of ectomycorrhizal trees in a central African rainforest? New Phytologist, 156(2), pp. 297-311. Wiley-Blackwell 10.1046/j.1469-8137.2002.00505.x

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In a forest grove at Korup dominated by the ectomycorrhizal species Microberlinia bisulcata, an experiment tested whether phosphorus (P) was a limiting nutrient. P-fertilization of seven subplots 1995-97 was compared with seven controls. It led to large increases in soil P concentrations. Trees were measured in 1995 and 2000. M. bisulcata and four other species were transplanted into the treatments, and a wild cohort of M. bisulcata seedlings was followed in both. Leaf litter fall from trees and seedlings were analysed for nutrients. Growth of trees was not affected by added P. Transplanted seedlings survived better in the controls than added-P subplots: they did not grow better with added-P.M. bisulcata wildlings survived slightly better in the added-P subplots in yr 1 but not later. Litter fall and transplanted survivors had much higher concentrations of P (not N) in the added-P than control subplots. Under current conditions, it appears that P does not limit growth of trees or hinder seedling establishment, especially of M. bisculcata, in these low-P grove soils.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS)
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Vegetation Ecology [discontinued]

UniBE Contributor:

Newbery, David McClintock; Chuyong, Georg and Zimmermann, Lukas

Subjects:

500 Science > 580 Plants (Botany)

ISSN:

0028-646X

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Peter Alfred von Ballmoos-Haas

Date Deposited:

15 Aug 2014 13:52

Last Modified:

10 Jul 2015 14:36

Publisher DOI:

10.1046/j.1469-8137.2002.00505.x

Uncontrolled Keywords:

fertilization, Korup, phosphorus, rain forest, seedlings, tree growth

BORIS DOI:

10.7892/boris.53830

URI:

https://boris.unibe.ch/id/eprint/53830

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