Invasive ecosystem engineers, such as the N-fixing tree Acacia longifolia, are a major threat to ecosystem functioning across the globe. The local impact of A. longifolia on ecosystem structure and functioning in Mediterranean dunes has been well characterized by in-situ measurements, e.g. on water and…
The thesis covers two topics, a performance evaluation of indirect leaf area index L and gap probability Pgap observation with the new digital cover photography DCP with special focus on the application in sparse canopies and the analysis of drought effects on water / carbon fluxes in a typical Mediterranean…