Results 111 to 120 of about 30,195 (348)

Environmental DNA‐based RPA‐CRISPR/Cas12a assay for on‐site detection of chironomid larvae in aquatic environments

open access: yesPest Management Science, EarlyView.
An environmental DNA (eDNA)‐based recombinase polymerase amplification (RPA)‐CRISPR/Cas12a assay enables rapid, specific, and on‐site detection of chironomids, supporting early warning, and ecological monitoring in freshwater environments. Abstract BACKGROUND Freshwater chironomid midges pose a significant threat to drinking water quality and ...
Kyuhyeong Kim   +5 more
wiley   +1 more source

Mapping Subtidal Marine Forests in the Mediterranean Sea Using Copernicus Contributing Mission

open access: yesRemote Sensing
Mediterranean subtidal reefs host ecologically significant habitats, including forests of Cystoseira spp., which form complex benthic communities within the photic zone.
Dimitris Poursanidis   +1 more
doaj   +1 more source

Acoustic signatures of the seafloor: Tools for predicting grouper habitat [PDF]

open access: yes, 2006
Groupers are important components of commercial and recreational fisheries. Current methods of diver-based grouper census surveys could potentially benefit from development of remotely sensed methods of seabed classification.
Eklund, Anne-Marie   +3 more
core  

Benthic Macroinvertebrate Recovery After Wastewater Treatment Plant Upgrades: Implications for Biomonitoring

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT During the past decade, major upgrades have been made to the Kitchener and Waterloo wastewater treatment plants (WWTPs) in the Grand River watershed in Ontario, Canada. As part of efforts to evaluate the effectiveness of these investments (>$450 M CDN), a benthic macroinvertebrate (BMI) monitoring program was initiated by sampling upstream and
Sean McLay   +9 more
wiley   +1 more source

A new 3-D modelling method to extract subtransect dimensions from underwater videos [PDF]

open access: yes, 2012
Underwater video transects have become a common tool for quantitative analysis of the seafloor. However a major difficulty remains in the accurate determination of the area surveyed as underwater navigation can be unreliable and image scaling does not ...
Fillinger, Laura, Funke, Tobias
core   +2 more sources

A UAV‐based deep learning pipeline for intertidal macrobenthos monitoring: Behavioral and age classification in Tachypleus tridentatus

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
The endangered tri‐spine horseshoe crab (Tachypleus tridentatus), a “living fossil” crucial to coastal ecology and biomedical research, is experiencing severe population declines. Effective conservation requires efficient monitoring, which traditional methods cannot deliver at scale. We develop an integrated UAV deep learning framework tailored to this
Xiaohai Chen   +7 more
wiley   +1 more source

A predictive approach to benthic marine habitat mapping: Efficacy and management implications

open access: yesMarine Pollution Bulletin, 2018
The availability of marine habitats maps remains limited due to difficulty and cost of working at sea. Reduced light penetration in the water hampers the use of optical imagery, and acoustic methods require extensive sea-truth activities. Predictive spatial modelling may offer an alternative to produce benthic habitat maps based on complete acoustic ...
Vassallo, Paolo   +7 more
openaire   +2 more sources

Spatial analysis of benthic habitat distribution of coral reef ecosystems in Luang Island, Indonesia [PDF]

open access: yesBIO Web of Conferences
Coral reef ecosystems are essential for biodiversity and coastal resilience, but are increasingly threatened by human activities and climate change.
Rifai Ahmad   +4 more
doaj   +1 more source

A bioregional classification of the continental shelf of northeastern North America for conservation analysis and planning based on representation [PDF]

open access: yes, 2007
Understanding how well National Marine Sanctuaries and other marine protected areas represent the diversity of species present within and among the biogeographic regions where they occur is essential for assessing their conservation value and ...
Auster, Peter J., Cook, Rosamonde R.
core  

Evaluating methods for high‐resolution, national‐scale seagrass mapping in Google Earth Engine

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Marine habitat mapping using satellite imagery can provide baseline and monitoring data across large spatial scales and in remote locations globally. This study evaluates how key methodological choices influence the accuracy of open‐source (for non‐commercial use), cloud‐based satellite mapping workflows for seagrass meadows in the Maldives.
Matthew Floyd   +2 more
wiley   +1 more source

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