Results 41 to 50 of about 486,429 (206)

Species turnover drives functional turnover with balanced functional nestedness in a Patagonian demersal assemblage

open access: yesJournal of Sea Research, 2023
Fil: González, Raul Alberto Candido. Universidad Nacional del Comahue. Centro de Investigación Aplicada y Transferencia Tecnológica en Recursos Marinos "Almirante Storni". - Provincia de Río Negro. Ministerio de Agricultura, Ganadería y Pesca. Centro de Investigación Aplicada y Transferencia Tecnológica en Recursos Marinos "Almirante Storni".
Cuesta Núñez, Josefina   +5 more
openaire   +2 more sources

Seasonal changes in microbial dissolved organic sulfur transformations in coastal waters [PDF]

open access: yes, 2020
The marine trace gas dimethylsulfide (DMS) is the single most important biogenic source of atmospheric sulfur, accounting for up to 80% of global biogenic sulfur emissions.
Dixon, Joanna L.   +3 more
core   +1 more source

Identification of an Active Site-bound Nitrile Hydratase Intermediate through Single Turnover Stopped-flow Spectroscopy [PDF]

open access: yes, 2013
Stopped-flow kinetic data were obtained for the iron-type nitrile hydratase from Rhodococcus equi TG328-2 (ReNHase) using methacrylonitrile as the substrate.
Gumataotao, Natalie   +3 more
core   +2 more sources

Repeat-sequence turnover shifts fundamentally in species with large genomes [PDF]

open access: yesNature Plants, 2020
Given the 2,400-fold range of genome sizes (0.06-148.9 Gbp (gigabase pair)) of seed plants (angiosperms and gymnosperms) with a broadly similar gene content (amounting to approximately 0.03 Gbp), the repeat-sequence content of the genome might be expected to increase with genome size, resulting in the largest genomes consisting almost entirely of ...
Petr Novák   +12 more
openaire   +4 more sources

Global patterns of terrestrial assemblage turnover within and among land uses [PDF]

open access: yes, 2016
Land use has large effects on the diversity of ecological assemblages. Differences among land uses in the diversity of local assemblages (alpha diversity) have been quantified at a global scale.
Balmford   +52 more
core   +2 more sources

Ant diversity in Brazilian tropical dry forests across multiple vegetation domains

open access: yesEnvironmental Research Letters, 2017
Understanding the environmental drivers of biodiversity persistence and community organization in natural ecosystems is of great importance for planning the conservation of those ecosystems.
Luciana Figueiredo Silva   +3 more
doaj   +1 more source

Phylogenetic patterns in regional flea assemblages from 6 biogeographic realms: strong links between flea and host phylogenetic turnovers and weak effects of phylogenetic originality on host specificity

open access: yesParasitology, 2023
We investigated phylogenetic patterns in flea assemblages from 80 regions in 6 biogeographic realms and asked whether (a) flea phylogenetic turnover is driven by host phylogenetic turnover, environmental dissimilarity or geographic distance; (b) the ...
Boris R. Krasnov   +2 more
doaj   +1 more source

Unravelling Metazoan and Fish Community Patterns in Yujiang River, China: Insights from Beta Diversity Partitioning and Co-Occurrence Network

open access: yesDiversity
Understanding the biodiversity of aquatic communities and the underlying mechanisms that shape biodiversity patterns and community dynamics is crucial for the effective conservation and management of freshwater ecosystems.
Yusen Li   +9 more
doaj   +1 more source

Shopping for Ecological Indices? On the Use of Incidence-Based Species Compositional Similarity Measures

open access: yesDiversity, 2022
β-diversity has been under continuous debate, with a current need to better understand the way in which a new wave of measures work. We assessed the results of 12 incidence-based β-diversity indices.
Ian MacGregor-Fors   +12 more
doaj   +1 more source

Hepatic cytochromes P450: structural degrons and barcodes, posttranslational modifications and cellular adapters in the ERAD-endgame. [PDF]

open access: yes, 2016
The endoplasmic reticulum (ER)-anchored hepatic cytochromes P450 (P450s) are enzymes that metabolize endo- and xenobiotics i.e. drugs, carcinogens, toxins, natural and chemical products.
Correia, Maria Almira   +4 more
core   +1 more source

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