Results 141 to 150 of about 90,106 (261)

Pliocene–Pleistocene Redox Evolution of the Peruvian Margin: A Multi‐Proxy Approach

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 2, February 2026.
Abstract Due to upwelling of nutrient‐rich waters, the Peruvian Margin is one of the most productive regions of the global ocean, hosting one of the most pronounced and shallowest oxygen minimum zones. This combination of high productivity and low oxygen makes the Peruvian margin a critical site for reconstructing past environmental changes.
P. L. Fraga‐Ferreira   +4 more
wiley   +1 more source

Niche diversification of Sphagnum in Bolivia [PDF]

open access: yes, 1997
Niche breadth values of Sphagnum species in the páramo and cloud forests of Bolivia are similar to those reported for Sphagnum-dominated peatlands in North America, but niche overlap values are higher for Sphagnum species in Bolivia. The pH, conductivity,
McQueen, Cyrus B.
core  

Quantifying and Regionalizing Land Use Impacts on Catchment Response Times With High‐Frequency Observations

open access: yesWater Resources Research, Volume 62, Issue 2, February 2026.
Abstract Land use and land cover change (LUCC) can affect the hydrological response time of rivers. However, it is difficult to generate robust and quantitative evidence of this impact at the catchment scale. This lack of evidence also affects the development of rainfall‐runoff models to make ex‐ante predictions.
Anthony C. Ross   +7 more
wiley   +1 more source

Contrasting drivers of diversity in hosts and parasites across the tropical Andes. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
McNew SM   +15 more
europepmc   +1 more source

Evaluating the Performance of Uni‐ and Multivariate Bias Correction Techniques: Challenges in Preserving Temporal and Dependence Structures

open access: yesWater Resources Research, Volume 62, Issue 2, February 2026.
Abstract Global Climate Models (GCMs) are essential for simulating past and future climates but suffer from systematic biases and coarse resolution, limiting direct applications. Bias correction (BC) and downscaling, using dynamical or statistical methods, address these issues. Quantile mapping (QM)‐based BC is widely used, yet it distorts dependencies,
Sachidananda Sharma   +2 more
wiley   +1 more source

Increasing the diversity of Sycorax Haliday, 1839 (Diptera: Psychodidae) in the Neotropical region: New species from the Brazilian Atlantic Forest

open access: yesAustral Entomology, Volume 65, Issue 1, February 2026.
Abstract Four new species of Sycorax Haliday, 1839 are described: Sycorax alumna sp. nov., Sycorax catarina sp. nov., Sycorax paranaensis sp. nov., and Sycorax striga sp. nov., with the females of Sycorax striga sp. nov. bearing characteristics that suggest haematophagous behaviour.
Lucas Rossito   +2 more
wiley   +1 more source

Indigenous peoples and local community reports of climate change impacts on biodiversity

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Climate change impacts on biodiversity have been primarily studied through ecological research methods, largely ignoring other knowledge systems. Indigenous and local knowledge systems include rich observations of changes in biodiversity that can inform climate change adaptation planning and environmental stewardship.
Albert Cruz‐Gispert   +5 more
wiley   +1 more source

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