Results 31 to 40 of about 703 (132)

Climatic and Edaphic Drivers of Soil Organic Carbon and Pyrogenic Carbon Stocks Across Elevation and Disturbance Gradients in Colombian Andean Forests

open access: yesGlobal Change Biology, Volume 31, Issue 7, July 2025.
This study examined soil organic carbon (SOC) and pyrogenic carbon (PyC) stocks in tropical Andean soils across elevation and disturbance gradients in Colombia. SOC stocks to 100 cm depth averaged 433.10 Mg C ha−1 while PyC was 34.13 Mg C ha−1. Key drivers of PyC stocks include soil clay (%), mean annual precipitation (PA), pH, Ca, and NDVI, which ...
Carmen R. Montes‐Pulido   +5 more
wiley   +1 more source

Rapid Ocean Warming Drives Sexually Divergent Habitat Use in a Threatened Predatory Marine Ectotherm

open access: yesGlobal Change Biology, Volume 31, Issue 7, July 2025.
How ectothermic, mobile marine predators are responding to climate change is uncertain due to lack of species‐specific data, which can mask the true impact of this threat. We investigate the impact of environmental conditions and thermal extremes on the behavior and distribution of angelsharks, a highly threatened elasmobranch of global conservation ...
Lucy R. Mead   +14 more
wiley   +1 more source

Hydrological Connectivity Enhances Fish Biodiversity in Amazonian Mining Ponds: Insights From eDNA and Traditional Sampling

open access: yesMolecular Ecology, Volume 34, Issue 11, June 2025.
ABSTRACT Artisanal and small‐scale gold mining (ASGM) expansion in the Madre de Dios region of the Peruvian Amazon has transformed primary forests into a novel wetland complex of thousands of abandoned mining ponds. Despite their ecological relevance, post‐mining recovery of these systems remains understudied, particularly regarding fish biodiversity ...
Camila Timana‐Mendoza   +7 more
wiley   +1 more source

Breaking into nature's secret medicine cabinet: lichens – a biochemical goldmine ready for discovery

open access: yesNew Phytologist, Volume 246, Issue 2, Page 437-449, April 2025.
Summary Secondary metabolites are a crucial source of bioactive compounds playing a key role in the development of new pharmaceuticals. Recently, biosynthetic research has benefited significantly from progress on various fronts, including reduced sequencing costs, improved genome/metabolome mining strategies, and expanding tools/databases to compare ...
Garima Singh   +3 more
wiley   +1 more source

Cognitive ecology of surprise in predator–prey interactions

open access: yesFunctional Ecology, Volume 39, Issue 3, Page 664-680, March 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract In this review, we relate theoretical work on the importance of surprise in cognition to empirical research relevant to surprise in predator–prey interactions. There have been multiple proposals as to how surprise should be defined and quantified in the context of ...
Olivier Penacchio   +6 more
wiley   +1 more source

Assessing participatory process‐system linkages in polycentric water governance: Insights from WFD implementation in Germany

open access: yesReview of Policy Research, Volume 42, Issue 2, Page 310-345, March 2025.
Abstract An important, although insufficiently answered, environmental governance research question concerns how exactly participation improves policy implementation at different scales. Numerous studies have highlighted important variables influencing the effectiveness of participatory processes.
Nadine Jenny Shirin Schröder   +1 more
wiley   +1 more source

Testing the contribution of vertebrate predators and leaf traits to mainland–island differences in insect herbivory on oaks

open access: yesJournal of Ecology, Volume 113, Issue 1, Page 140-154, January 2025.
The authors explored how insularity influences herbivory in oaks across island–mainland sites. By experimentally excluding vertebrate predators (e.g. birds, bats) and measuring leaf traits (e.g. phenolics, specific leaf area, nutrients), they provide insights into the mechanisms driving island–mainland herbivory patterns.
Carla Vázquez‐González   +14 more
wiley   +1 more source

Características geoquímicas de las rocas volcánicas del sistema geotérmico Los Humeros, Puebla y su relación con la mineralogía de alteración

open access: yesGeofísica Internacional, 1994
Las rocas volcánicas presentes en el sistema geotérmico Los Humeros varían de andesitas-basálticas a riolitas con diferentes grados de alteración hidrotermal.
Raymundo G. Martínez Serrano   +1 more
doaj   +1 more source

Discreet but diverse and specific: Determining plant‐herbivore interactions across a species‐rich plant family in a tropical rain forest

open access: yesBiotropica, Volume 57, Issue 1, January 2025.
We conducted a year‐long study in Ecuador's Yasuní National Park, focusing on nine understory Annonaceae species to investigate herbivory patterns and herbivore‐host associations. Our findings revealed significant temporal fluctuations in leaf damage, with Anaxagorea brevipes and Unonopsis veneficiorum experiencing higher herbivore pressure, and ...
Paola G. Santacruz Endara   +6 more
wiley   +1 more source

Apuntamientos sobre el Género Rauvolfia, III

open access: yesCaldasia, 1975
Motivado por la importancia farmacológica de las especies del género Rauvolfia, materia prima para la obtención del alcaloide reserpina utilizado como hipotensor, poco a poco he realizado excursiones a varias regiones con el fin de recolectar material ...
Fernández Pérez Alvaro
doaj  

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