Results 141 to 150 of about 107,572 (268)

How to identify wetlands

open access: yes, 2004
This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.Title from caption"Revised November 2004."OrDocs shipping ...

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Refining techniques for high‐frequency monitoring of chlorophyll a fluorescence in estuarine systems

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Concentrations of the photosynthetic pigment chlorophyll a are commonly used as a proxy for phytoplankton biomass in aquatic systems. Traditional methods for extracting chlorophyll a in discrete samples limit measurement frequency, while in situ sensor technology provides high frequency chlorophyll a fluorescence measurements at a more ...
Nicole Dix   +10 more
wiley   +1 more source

Effects of preservatives and poisons on the elemental and isotopic composition of freshwater particulate organic matter

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Sediment traps, often used in tandem with preservatives or poisons, are widely used for the collection of particulate organic matter (POM), providing insight into the source to sink mechanisms that shape major biogeochemical cycles and sedimentary carbon sequestration.
Diana Velazquez   +2 more
wiley   +1 more source

Isoetes ×atruensis (Isoetaceae – Lycopodiopsida), a new interspecific sterile hybrid from Rajasthan of Western India

open access: yesNordic Journal of Botany, EarlyView.
Isoetes ×atruensis hyb. nov. is shown to be a triploid (2n = 3× = 33 + 1) sterile interspecific hybrid between diploid (2n = 2× = 22 + 1) I. coromandelina and tetraploid (2n = 4× = 44 + 1) I. rajasthanensis. It has been found in two locations in Rajasthan, India.
Sarvesh Kumar Singh   +4 more
wiley   +1 more source

Data repository: Restore Wetlands Public Opinion Impact Evaluation

open access: yes
This repository contains data, preregistration, and analysis code relevant for public opinion impact evaluation projects by Återställ Våtmarker (Restore Wetlands) and Scientists Rebellion in 2023 and 2024.
Restore Wetlands Evaluation
core   +1 more source

Dicrananthera hedyotidea C. Presl. (Melastomataceae) in Maranhão state, Brazil: first record and ecological niche model of the species

open access: yesNordic Journal of Botany, EarlyView.
Dicrananthera C. Presl. is a monospecific genus of the tribe Marcetieae, comprising perennial herbs typically occurring in areas adjacent to wetlands. The species exhibits a disjunct distribution, with confirmed records in both the Amazon and Atlantic Forest domains.
Elias Julio Oliveira Correa   +4 more
wiley   +1 more source

Sinningia pampeana sp. nov. (Gesneriaceae) from the Pampa's rocky outcrops in southern Brazil and Uruguay

open access: yesNordic Journal of Botany, EarlyView.
Sinningia pampeana is a new rupicolous species from the rocky outcrops of the Pampa biome in southern Brazil and Uruguay. Morphological analyses based on herbarium material, field observations, and detailed illustrations support its recognition as a distinct species from Sinningia sellovii.
Gabriel Emiliano Ferreira   +4 more
wiley   +1 more source

Greenhouse Gas Emission Fluxes in Urban Wetlands of Qinghai-Tibet Plateau. [PDF]

open access: yesBiology (Basel)
Si J   +10 more
europepmc   +1 more source

Inland wetlands and watercourses model municipal regulations

open access: yes, 2006
4th ed.; Title from PDF cover (viewed Sept. 4, 2008).; "The Wetlands Management Section of the Connecticut Department of Environmental Protection (DEP) is pleased to present this model regulation for use by Connecticut's municipal inland wetlands ...

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