Blar i NINA Brage på forfatter "Hawkins, Heidi-Jayne"
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Does defoliation frequency and severity influence plant productivity? The role of grazing management and soil nutrients
Venter, Alexander Samuel; Hawkins, Heidi-Jayne; Cramer, Michael D. (Peer reviewed; Journal article, 2020)Rangeland management approaches, including rotational grazing, rely on assumptions about plant growth responses to the intensity, or severity (sward height) plus frequency, of defoliation. We tested these assumptions at ... -
Mapping soil organic carbon stocks and trends with satellite-driven high resolution maps over South Africa
Venter, Zander; Hawkins, Heidi-Jayne; Cramer, Michael D.; Mills, Anthony J. (Peer reviewed; Journal article, 2021)Estimation and monitoring of soil organic carbon (SOC) stocks is important for maintaining soil productivity and meeting climate change mitigation targets. Current global SOC maps do not provide enough detail for landscape- ...