Results 21 to 30 of about 63,363 (264)

Ecology and biogeochemistry of alkenone production at Station ALOHA [PDF]

open access: yesDeep Sea Research Part I: Oceanographic Research Papers, 2005
Abstract In our study of Station ALOHA, a site representative of the oligotrophic North Pacific subtropical gyre (NPSG), alkenone content and composition were examined in (1) sinking particulate materials collected in sediment traps moored at 2800 m during 2 year-long deployments (1992–1993 and 2000–2001) and (2) suspended particulate materials ...
Fredrick G. Prahl   +3 more
openaire   +1 more source

The value of the Ecological Station of Jataí's ecosystem services and natural capital [PDF]

open access: yesRevista Brasileira de Biologia, 2001
The capacity of a given natural ecosystem to provide certain goods and services that satisfy human needs depends on its environmental characteristics (natural processes and components). It was described the availability of these goods and services (environmental functions) controlled and sustained by ecological processes operating in Ecological Station
SANTOS, J. E.   +4 more
openaire   +4 more sources

Functional trait divergence associated with heteromorphic leaves in a climbing fig

open access: yesFrontiers in Plant Science, 2023
IntroductionPlants that display heteroblasty possess conspicuous variations in leaf morphology between their juvenile and adult phases, with certain species retaining juvenile-like leaves even in adulthood.
Jun-Yin Deng   +7 more
doaj   +1 more source

A new species of Leptobrachella (Anura, Megophryidae) from Jinzhongshan National Nature Reserve, Guangxi, China [PDF]

open access: yesZoosystematics and Evolution
Integrative morphological and molecular evidence supports the recognition of Leptobrachella jinzhongshanensis sp. nov. from Longlin County, Guangxi, China. The new species is distinguished by a combination of characters, including medium body size (snout-
Wei-Cai Chen   +3 more
doaj   +3 more sources

Antagonistic interaction between biochar and nitrogen addition on soil greenhouse gas fluxes: A global synthesis

open access: yesGCB Bioenergy, 2021
Both biochar and nitrogen (N) addition have been proposed for enhancing plant productivity and increasing carbon (C) sequestration. Although numerous studies have been conducted to examine responses of soil greenhouse gas (GHG) fluxes to biochar or N ...
Yanghui He   +11 more
doaj   +1 more source

Stable water isotope monitoring network of different water bodies in Shiyang River basin, a typical arid river in China [PDF]

open access: yesEarth System Science Data, 2022
Ecosystems in arid areas are fragile and are easily disturbed by various natural and human factors. As natural tracers widely exist in nature, stable isotopes can be valuable for studying environmental change and the water cycle.
G. Zhu   +25 more
doaj   +1 more source

Characterization of LhSorTGA2, a novel TGA2-like protein that interacts with LhSorNPR1 in oriental hybrid lily Sorbonne

open access: yesBotanical Studies, 2017
Background Non-expressor of pathogenesis-related genes 1 (NPR1) regulates expression of pathogenesis-related (PR) genes by interacting with TGA family proteins during systemic acquired resistance (SAR).
Le Wang   +8 more
doaj   +1 more source

Eggshell thickness and egg morphometrics in five songbird species from the Central Valley, California

open access: yesJournal of Field Ornithology
Avian eggshell thickness is an important life history metric in birds and has broad applications across disciplines ranging from animal behavior to toxicology.
Carley R. Schacter   +4 more
doaj   +1 more source

Ecological niche characterization and interspecific associations among invasive Pomacea canaliculata (Mollusca, Gastropoda) populations in Jianghan Plain, China [PDF]

open access: yesNeoBiota
Pomacea canaliculata is a major invasive snail species in freshwater ecosystems in southern China. Population outbreaks of this species threaten zoobenthic community structure and food web stability.
Yu Zhou   +8 more
doaj   +3 more sources

In Search of Proximate Triggers of Anthrax Outbreaks in Wildlife: A Hypothetical Individual-Based Model of Plasmid Transfer within Bacillus Communities

open access: yesDiversity, 2023
Bacillus anthracis, the causative agent of anthrax in humans, livestock, and wildlife, exists in a community with hundreds of other species of bacteria in the environment. Work on the genetics of these communities has shown that B.
Hsiao-Hsuan Wang   +3 more
doaj   +1 more source

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