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Item type:Publication, The Influence of Taxonomy and Environment on Leaf Trait Variation Along Tropical Abiotic Gradients(Frontiers Media S.A., 2020-03-03)Deconstructing functional trait variation and co-variation across a wide range of environmental conditions should increase the mechanistic understanding of community assembly processes and improve current parameterization of dynamic vegetation models. Here, we present a study that deconstructs leaf trait variation and co-variation to iithin-species, taxonomic-interspecific, and plot-environment components comparing three tropical environmental gradients in Peru, Brazil and Ghana. We measured photosynthetic, chemical and structural leaf traits using a standardized sampling protocol, totalling more than 1,000 individuals belonging to 367 species sampled. Variation associated with the whole interspecific taxonomic component (species+genus+family) for most traits was relatively consistent across environmental gradients, but intra-specificwithin-species variation and the plot-environment variation was strongly dependent on the environmental gradient. Trait-trait co-variation was also strongly linked to the environmental gradient where the traits were measured, although some traits had consistent co-variation components irrespective of environmental gradient. Our results demonstrate that filtering along gradients is mostly expressed through trait intra- and interspecifictaxonomic variation, but that trait co-variation is strongly dependent on the local environment, and thus global trait co-variation relationships might not always apply at smaller scales. - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Transdisciplinary catchment management in the developing tropics: bridging scientific enquiry with societal needs(Taylor & Francis, 2026-01-01)Rivers and streams in the developing tropics face mounting pressures from climate variability, land-use change, and weak governance, threatening water, food, and energy security. To address these issues, a Transdisciplinary Catchment Management (TCM) framework is proposed designed to bridge the gap between scientific research and societal needs in these complex and resource-limited regions. TCM is structured as an adaptive, eight-step process that prioritises fieldwork, local hydrological understanding, and the co-creation of knowledge with diverse stakeholders, leveraging affordable technologies to address data and capacity gaps, while emphasising inclusive decision-making and capacity building. By aligning scientific advances with local realities of the tropics, TCM offers a pragmatic and flexible pathway to sustainable catchment management. While established frameworks such as Integrated Water Resources Management and Integrated Watershed Management provide policy and governance guidance, our approach seeks to augment these efforts by offering a process-based, context-sensitive strategy grounded in actionable science.1