A Rapid Ecological Assessment (REA) Quantitative Survey Method for Benthic Algae Using Photoquadrats with Scuba

By L. Preskitt, P. Vroom, Celia M. Smith. 2004

152 citations recorded by the source corpus.

Subfields: Ecology, Oceanography

View Paper: https://www.semanticscholar.org/paper/02218d094fbfea98398e5a1bccd2e0b83f8d9e37

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Ecology

1. Stuart Sandin
2. R. Schroeder
3. Nancy Knowlton
4. E. Sala
5. Gustav Paulay
6. A. Friedlander
7. J. Smith
8. J. Jackson

In Oceanography

1. E. Sala
2. J. Smith
3. Nancy Knowlton
4. Forest Rohwer
5. J. P. Krajewski
6. Gustav Paulay
7. S. Walsh
8. David Obura

Citations in the corpus

• Baselines and Degradation of Coral Reefs in the Northern Line Islands (2008, methodology): “Quantitative assessments of the benthos were made using the photoquadrat method [ 75 ].”
• photoQuad: A dedicated seabed image processing software, and a comparative error analysis of four photoquadrat methods (2012, background): “Still, extraction of results requires laboriouspost-survey analysis of digital images, and there is a scarcity of dedicated software platforms that facilitate, in an integrated fashion, all major two dimensional (2D) analyses regarding photoquadrat sampling (Nakajima et al., 2010; Pech et al., 2004;”
• Detection of Marine Animals in a New Underwater Dataset with Varying Visibility (2019, methodology): “Both datasets have been recorded using a custom variation of a photoquadrat [33].”
• Reef fish community structure of the Fernando de Noronha Archipelago (Equatorial Western Atlantic): the influence of exposure and benthic composition (2011, methodology): “The relative abundance of each substratum type in each transect was estimated with photoquadrats ( Preskitt et al. 2004 ).”
• Natural history of coral-algae competition across a gradient of human activity in the Line Islands (2012, unknown): “us-ing the photoquadrat method (Preskitt et al. 2004). each site, 2 transects (25 m each) were deployed at a constant depth of 10 to 12 m. total of 5 quadrats placed at 5 m intervals were photographed per transect using a Canon G9 camera connected to a quad-pod and frame (0.63 m 2 total area within…”
• Abundance and Spread of the Invasive Red Algae, Kappaphycus spp., in Kane’ohe Bay, Hawai’i and an Experimental Assessment of Management Options (2005, methodology): “Digital photographs were taken of each enclosure using a photoquadrat (Preskitt et al. 2004) and the percent cover of benthic organisms measured by tracing the total area within each photograph occupied by each benthic species using Image-J software.”