2016
DOI: 10.3390/rs8010030
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Scaling up Ecological Measurements of Coral Reefs Using Semi-Automated Field Image Collection and Analysis

Abstract: Ecological measurements in marine settings are often constrained in space and time, with spatial heterogeneity obscuring broader generalisations. While advances in remote sensing, integrative modelling and meta-analysis enable generalisations from field observations, there is an underlying need for high-resolution, standardised and geo-referenced field data. Here, we evaluate a new approach aimed at optimising data collection and analysis to assess broad-scale patterns of coral reef community composition using… Show more

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Cited by 131 publications
(79 citation statements)
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References 92 publications
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“…Benthic images were collected and analysed according to González‐Rivero et al. (), at depths of 2–12 m depending on reef topography. This system provided images collected every few seconds, while traveling, ensuring that overlap was avoided (mean distance between images was 3.8 m).…”
Section: Methodsmentioning
confidence: 99%
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“…Benthic images were collected and analysed according to González‐Rivero et al. (), at depths of 2–12 m depending on reef topography. This system provided images collected every few seconds, while traveling, ensuring that overlap was avoided (mean distance between images was 3.8 m).…”
Section: Methodsmentioning
confidence: 99%
“…High-volume data collected by diver or vehicle-mounted cameras and analysed with machine-learning techniques will soon become commonplace, but there exists little detailed examination of the efficacy and appropriateness of this new data (Beijbom et al, 2015). One of the first examples of this "scaling-up" of observations in marine systems demonstrated strong evidence to support the use of long (~2 km) photograph transects and automated image annotation software for change detection in coral reef communities (González-Rivero et al, 2016). Our study deployed a DPV-propelled camera system (González-Rivero et al, 2014) to survey temperate reefs for the first time.…”
Section: Introductionmentioning
confidence: 99%
“…As a result, coral reef protection has become a priority in many governmental agendas (e.g., [12]). This has resulted in the development and implementation of scientific surveys and monitoring programs aimed at evaluating the causes, effects and extent of coral threats (e.g., sedimentation, bleaching and climate change) [13][14][15].…”
Section: Introductionmentioning
confidence: 99%
“…In general, wide-area (>1500 m 2 ) coral reef monitoring methods are based on remote sensing approaches that range from autonomous or semi-autonomous underwater vehicles [13,[16][17][18][19] to satellite and airborne imagery [20][21][22][23]. For the particular case of wide-area (>1500 m 2 ) in situ monitoring, the key limitations are cost, access to the site and the spatio-temporal extent to be covered [15].…”
Section: Introductionmentioning
confidence: 99%
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