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Insights into the subdaily variations in methane, nitrous oxide and carbon dioxide fluxes from upland tropical tree stems.
New Phytol
January 2025
Centre of Excellence PLECO (Plants and Ecosystems), Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium.
Recent studies have shown that stem fluxes, although highly variable among trees, can alter the strength of the methane (CH) sink or nitrous oxide (NO) source in some forests, but the patterns and magnitudes of these fluxes remain unclear. This study investigated the drivers of subdaily and seasonal variations in stem and soil CH, NO and carbon dioxide (CO) fluxes. CH, NO and CO fluxes were measured continuously for 19 months in individual stems of two tree species, Eperua falcata (Aubl.
View Article and Find Full Text PDFStatistical power and the detection of global change responses: The case of leaf production in old-growth forests.
Ecology
January 2025
Smithsonian Tropical Research Institute, Balboa, Republic of Panama.
Forests sequester a substantial portion of anthropogenic carbon emissions. Many open questions concern how. We address two of these questions.
View Article and Find Full Text PDFTowards repeated clear-cutting of boreal forests - a tipping point for biodiversity?
Biol Rev Camb Philos Soc
January 2025
Section for Genetics and Evolutionary Biology, Department of Biosciences, University of Oslo, P.O. Box 1066 Blindern, Oslo, 0316, Norway.
Boreal forests are important carbon sinks and host a diverse array of species that provide important ecosystem functions. Boreal forests have a long history of intensive forestry, in which even-aged management with clear-cutting has been the dominant harvesting practice for the past 50-80 years. As a second cycle of clear-cutting is emerging, there is an urgent need to examine the effects of repeated clear-cutting events on biodiversity.
View Article and Find Full Text PDFDNA and spores from coprolites reveal that colourful truffle-like fungi endemic to New Zealand were consumed by extinct moa (Dinornithiformes).
Biol Lett
January 2025
Manaaki Whenua-Landcare Research, Lincoln, Canterbury 7640, New Zealand.
Mycovores (animals that consume fungi) are important for fungal spore dispersal, including ectomycorrhizal (ECM) fungi symbiotic with forest-forming trees. As such, fungi and their symbionts may be impacted by mycovore extinction. New Zealand (NZ) has a diversity of unusual, colourful, endemic sequestrate (truffle-like) fungi, most of which are ECM.
View Article and Find Full Text PDFDistinct retinal ganglion cell types in strictly subterranean, naturally microphthalmic mammals.
Proc Biol Sci
January 2025
Department of Zoology, Faculty of Science, Charles University, Prague 128 43, Czech Republic.
African mole-rats (Bathyergidae, Rodentia) are subterranean rodents that live in extensive dark underground tunnel systems and rarely emerge aboveground. They can discriminate between light and dark but show no overt visually driven behaviours except for light-avoidance responses. Their eyes and central visual system are strongly reduced but not degenerated.
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