The effect of harvesting and flooding on nutrient cycling and retention in Cyperus papyrus wetlands (Paperback)

African papyrus (Cyperus papyrus L.) wetlands provide water, food and materials to millions of people, and perform important landscape functions such as water and nutrient storage, habitat provision for fish, birds and other wildlife. They are also an integral part of the culture of African wetland communities. With an increasing demand for food, papyrus wetlands are at risk of conversion to agriculture and losing these ecosystem services. Combining increased agricultural production with wetland conservation is urgently needed. The research presented in this book consisted of two parts. First, field experiments investigated nitrogen and phosphorus retention, showing that papyrus grows faster with disturbance from human activities or flooding, but produces less biomass and stores less nutrients. Then, a dynamic simulation model (Papyrus Simulator) based on the hydrological and ecological wetland processes showed that assimilation, mortality, decay, re-translocation, nutrient inflow and soil porosity were the most influential factors. The model demonstrated that controlled harvesting can increase nutrient retention by up to 40%, but overharvesting leads to the release of nutrients. These findings can help determining optimum harvesting strategies for constructed and natural wetlands, and contribute to the quantification of ecosystem services and an evidence-based adaptive management approach for African wetland landscapes.

General

Imprint:	Taylor & Francis
Country of origin:	United Kingdom
Series:	IHE Delft PhD Thesis Series
Release date:	November 2021
First published:	2021
Authors:	Edwin M.A. Hes
Dimensions:	297 x 210mm (L x W)
Format:	Paperback
Pages:	188
ISBN-13:	978-1-03-219461-5
Categories:	Books > Professional & Technical > Civil engineering, surveying & building > General Books > Professional & Technical > Environmental engineering & technology > General Books > Business & Economics > Industry & industrial studies > Energy industries & utilities > Water industries Books > Earth & environment > Earth sciences > The hydrosphere > General
LSN:	1-03-219461-8
Barcode:	9781032194615

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