Populations

MCR LTER: Coral Reef Resilience: Benthic Dynamics on 5m by 5m Plots on the Forereef, 2009 - 2011

These data describe the dynamics of corals, invertebrates, and fishes on 5 m X 5 m plots on the forereef following an outbreak of corallivorous crown-of-thorns seastars (Acanthaster planci) that caused mass coral mortality (see Adam et al. 2011). Twenty plots were first established at Resilience 2 during July 2009. Half of these plots were randomly assigned to a structure removal treatment and all dead coral structure was removed by divers, while the other half remained unmanipulated.

MCR LTER: Coral Reef Resilience: Algae, Coral, and Sediment data from Grazing Intensity Experiment, 2010 - 2012

These data describe the percent cover of benthic space holders (primarily algae), the biomass of algae and sediment, and the number of corals recruiting on 15 cm X 15 cm terra cota tiles experimentally manipulated on the forereef on the north shore of Moorea. The experiment was established to test whether and how different levels of grazing influence benthic community development. Five treatments were initially established to create a gradient in grazing pressure with a sixth treatment established shortly thereafter. Each treatment was replicated ten times using a randomized block design.

MCR LTER: Coral Reef Resilience: Juvenile Parrotfish Habitat Associations at North Shore Fringe and Backreef in March 2011

These data describe habitat associations of juvenile parrotfish (Scaridae) encountered during systematic searches at LTER 1 and LTER 2 fringing reef and back reef sites during March 2011. At each site SCUBA divers or snorkelers identified, counted, and estimated the sizes of juvenile parrotfish and recorded the microhabitat that each individual or group of individuals was associated with on two 100 m x 10 m wide transects (n = 8 transects total). Upon encountering a juvenile or group of juveniles, the surveyor recorded the microhabitat type that fishes were first seen to be closest to.

MCR LTER: Coral Reef Resilience: Herbivore Bite Rates on the North Shore Forereef July-August 2010

These data describe bite rates of two abundant species of roving herbivorous fishes found on the forereef, Chlorurus sordidus (Scaridae), and Ctenochaetus striatus (Acanthuridae). During several days in July and August 2010, a SCUBA diver followed individual focal fish for a period of up to 5 minutes and recorded the number of bites taken as well the types of substrates bitten. Upon randomly locating a focal individual, divers estimated the total length of that individual as well as their depth at the initiation (and termination) of the observation. Data are organized in two data tables.

MCR LTER: Coral Reef Resilience: North Shore Herbivorous Fish Counts, Habitat Associations, and Substrate, 2010

These data describe the species abundance, size distributions, and habitat associations of roving herbivorous fishes (fishes belonging to the families, Acanthuridae, Scaridae, and Siganidae) found in different habitats in the lagoon and forereef on the north shore of Moorea. Adult fishes and large juveniles were counted (and their size estimated) by a SCUBA diver or snorkeler on thirty-four 50 m by 5 m wide transects. After counting large fishes, the entire transect was swam a second time, with the diver looking exclusively for small juvenile fishes on a 1 m swath.

MCR LTER: Reference: Fish Taxonomy, Trophic Groups and Morphometry

These reference data document the maximum length, length to weight conversion parameters, trophic status, and items consumed for fish species observed in the Annual Fish Survey Time-series core data set (knb-lter-mcr.6). With knb-lter-mcr.6, these data enable the investigation of temporal trends in the biomass of taxa as well as the abundance and biomass of different trophic groups. This material is based upon work supported by the U.S. National Science Foundation under Grant No. OCE 16-37396 (and earlier awards) as well as a generous gift from the Gordon and Betty Moore Foundation.

MCR LTER: Coral Reef: Early life stage bottleneck determines rates of coral recovery following severe disturbance; Data for Speare et al., 2024, Ecology

The data included in this data package were collected on the north shore of Moorea, French Polynesia, from 2011-2018 to evaluate drivers of different recovery rates of corals at two depths (10m and 17m). Data on juvenile coral densities, growth, and mortality, were collected from annual time series photoquadrats. Data from two experiments on coral settlement tiles were used to evaluate how exclusion of fishes influences the density of coral recruits, and the survival of coral recruits at 10 and 17m.

MCR LTER: Coral Reef: Quantifying 2019 coral bleaching; data for Kopecky et al., 2023 Remote Sensing

This data package contains a dataset generated using image AI-assisted image segmentation of live and dead corals within ortho-photomosaics of benthic reef habitat on the North shore fore reef of Moorea, French Polynesia. The orthophotomosaics were produced through a rigorous method of underwater photogrammetry that allowed for spatial and temporal co-registration of ortho-photomosaics of the same location over time (for full photogrammetric methods, see Nocerino et al. 2020: https://doi.org/10.3390/rs12183036). Using the image segmentation software, TagLab (see Pavoni et al.

MCR LTER: Coral Reef: 3D photogrammetry improves measurement of growth and biodiversity patterns in branching corals; data for Curtis 2023, Coral Reefs

These data and code were generated in support of the manuscript: Curtis JS, Galvan JW, Primo A, Osenberg CW, and AC Stier, Coral Reefs. We collected manual and photogrammetry-based measurements of coral size and volume to examine which method best described short-term coral growth and links between coral habitat and biodiversity of CAFI (coral-associated fishes and invertebrates).

MCR LTER: Coral Reef: Asynchrony in coral community structure contributes to reef‑scale community stability, data for Srednick et al., Nature 2023

These data were generated in support of the manuscript: Srednick G, Davis K, and Edmunds P, Nature To evaluate whether spatial insurance effects are important on coral reefs, we explored variation over 2006–2019 in coral community structure and environmental conditions in Moorea, French Polynesia. We studied coral community structure at a single site with fringing, back reef, and fore reef habitats, and used this system to explore associations among community asynchrony, asynchrony of environmental conditions, and community stability.

MCR LTER: Coral Reef: Farmerfish gardens help buffer stony corals against marine heat waves, data for Honeycutt et al., PLOS One 2023

These data were generated in support of the manuscript: Honeycutt RC, Holbrook SJ, Brooks, AJ, and RJ Schmitt, PLOS One In Moorea, French Polynesia, we evaluated the response and fate of stony coral following a major thermal stress event in 2019 that caused a substantial amount of branching coral (dominantly Pocillopora) to bleach and die. We investigated whether Pocillopora colonies that occurred within territorial gardens protected by the farmerfish Stegastes nigricans were less susceptible to or survived bleaching better than Pocillopora on adjacent, undefended substrate.

MCR LTER: Coral Reef: Priority effects in coral-macroalgae interactions can drive alternate community paths in the absence of top-down control, data for Adam 2022 Ecology

These data were generated in support of the manuscript: Adam TC, Holbrook SJ, Burkepile DE, Speare KE, Brooks AJ, Ladd MC, Shantz AA, Thurber RLV, and Schmitt RJ, Ecology The outcomes of species interactions can vary greatly in time and space with the outcomes of some interactions determined by priority effects. On coral reefs, benthic algae rapidly colonize the disturbed substrate. In the absence of top-down control from herbivorous fishes, these algae can inhibit the recruitment of reef-building corals, leading to a persistent phase shift to a macroalgae-dominated state.

MCR LTER: Coral Reef: Distinguishing the molecular diversity, nutrient content, and energetic potential of exometabolomes produced by macroalgae and reef-building corals; data for Kelly et al., 2022 PNAS

Metabolites exuded by primary producers comprise a significant fraction of marine dissolved organic matter, a poorly characterized, heterogenous mixture that dictates microbial metabolism and biogeochemical cycling. We present a foundational untargeted molecular analysis of exudates released by coral reef primary producers using liquid chromatography–tandem mass spectrometry to examine compounds produced by two coral species and three types of algae (macroalgae, turfing microalgae, and crustose coralline algae [CCA]) from Mo’orea, French Polynesia.

MCR LTER: Coral Reef: Biodiversity has a positive but saturating effect on imperiled coral reefs; data for Clements and Hay 2021, Science Advances

Species loss threatens ecosystems worldwide, but the ecological processes and thresholds that underpin positive biodiversity effects among critically important foundation species, such as corals on tropical reefs, remain inadequately understood. In field experiments, we manipulated coral species richness and intraspecific density to test whether, and how, biodiversity affects coral productivity and survival. Corals performed better in mixed species assemblages.

Evaluating the precariousness of coral recovery when coral and macroalgae are alternative basins of attraction

When coral and macroalgae are alternative attractors, the trajectory of the benthic community following a major disturbance is shaped in part by whether herbivores keep macroalgae suppressed, leaving reef surfaces in a state suitable for coral colonization. Because macroalgae tend to colonize much faster than coral, an important issue is how close ambient herbivory is to the level where control of macroalgae is lost, that is, the precariousness of the coral-invasible state relative to the switch-point to macroalgae.

MCR LTER: Coral Reef: Finding Signals in the Noise of Coral Recruitment, data for Edmunds 2021 Coral Reefs

These data, looking at coral recruitment were collected in Moorea, French Polynesia, measured over 13 years, and tested for associations with environmental conditions. Recruitment of spawning pocilloporid corals was recorded using settlement tiles immersed for ~ 6 months at 10 m and 17 m depth, biannually, and the environment was quantified through seawater clarity (Kd490), surface and bottom flow speeds, coral cover, and temperature. This material is based upon work supported by the U.S. National Science Foundation under Grant No.

MCR LTER: Coral Reefs: Coral bleaching and mortality in July 2019; data for Speare et al. 2021 Global Change Biology

These data are from field surveys conducted at seven sites at 10m depth on the outer reef of Mo’orea following a marine heatwave and coral bleaching event in the Austral Summer of 2019. These data describe the size, percent of the colony that was bleached, and the percent of the colony that recently dead for corals in the genera Acropora and Pocillopora. At six sites (LTER 1-6) coral colony size was quantified using ordinal size bins and observers collected data on all coral colonies > 5cm diameter.

MCR LTER: Coral Reef: Porites biomass data in support of Edmunds and Putnam Roy. Soc. Biology Letters 2020

Growth was measured every two to four months following collection of genotypes of the coral Porites lobata and P. lutea from the back reef of Mo'orea, French Polynesia, in 2018. Measurements include size, bouyant weight, biomass and environment conditions. These data support a manuscript submitted by P. Edmunds and H. Putnam in 2020 to Royal Society Biology Letters titled 'Science-based approach to using growth rate to assess coral performance and restoration outcomes'. This material is based upon work supported by the U.S. National Science Foundation under Grant No.

MCR LTER: Coral Reef: Scleractinia calcification data in support of Ginther, et al., JEMBE 2020

This study explored the effects of variation in seawater pCO2 on coral calcification using experiments conducted over one month between 9 April 2018 and 18 May 2018. Branches (~4-cm long) of Acropora retusa were sampled from colonies at 10-m depth on the fore reef of Mo'orea, French Polynesia (17° 28′ 53.9004" S, 149° 49′ 50.5992" W). We tested the hypothesis that depressed calcification caused by elevated pCO2 (~1000 μatm) is relaxed (i.e., calcification increases) upon return to ambient pCO2 (~400 μatm).

MCR LTER: Coral Reef: Data for manuscript J.Exp.Bio 2020 Edmunds and Burgess

This dataset contains allometry measurements on corals in tanks conditioned to simulate varied carbon dioxide partial pressure to test how coral colony size modulates PCO2 and temperature sensitivity in a branching acroporid. Data for Figure 1 in a manuscript submitted by P. Edmunds and S. Burgess to J of Experimental Biology in 2020 titled 'Emergent properties of branching morphologies modulate the sensitivity of coral calcification to high PCO2' This material is based upon work supported by the U.S. National Science Foundation under Grant No.

MCR LTER: Coral Reef: Branches and plates of Porites rus insensitive to OA and warming. Lenz and Edmunds, JEMBE 2017

Data in support of Lenz & Edmunds, JEMBE 2017. [doi:10.1016/j.jembe.2016.10.002] This study tested the hypothesis that intraspecific morphological plasticity within a scleractinian coral elicits differential responses to elevated PCO2 and temperature. In Mo'orea, French Polynesia, two short-term laboratory experiments (21 and 14 days) were conducted to test the effects of PCO2 (400 vs. 700 µatm), and PCO2 (400 vs 1000 µatm) combined with temperature (27.0 vs. 29.8 C), on branches and plates of Porites rus.

MCR LTER: Data from Duvall, Rosman and Hench, in review. Representation of coral reef roughness using obstacle and surface-based approaches, submitted to JGR: Oceans

This archive contains natural coral reef topography data from the northern coast of Mo’orea, French Polynesia. These data were used to compute reef roughness density using obstacle- and surface-based estimates and models, and to compare the two approaches for representing reef topography. Primary support for this product came from the National Science Foundation Physical Oceanography program (OCE-1435530 and OCE-1435133), and as well as Duke University and the University of North Carolina at Chapel Hill. This material is based upon work supported by the U.S.

MCR LTER: Coral Reef: Data for figures in Doo, et al., Ocean acidification effects on in situ coral reef metabolism, Scientific Reports, 2019

These data result from a Free Ocean CO2 Enrichment (FOCE). Data include net community calcification (NCC), net community production (NCP), and net ecosystem calcification (NEC) for the figures in Doo, Edmunds and Cparpenter, Ocean acidification effects on in situ coral reef metabolism, Scientific Reports, 2019, https://doi.org/10.1038/s41598-019-48407-7. Data for Figure 2A describe the 24-h NCC collected in the in situ SCoRe-FOCE. Data for Figures 2B and 2C describe the offset of NCC of the high CO2 treatment from ambient collected in the in situ SCoRe-FOCE.

MCR LTER: Coral Reef: Community structure outdoor flume data in support of Edmunds 2019 Marine Biology

This dataset contains data in support of Edmunds, P.J., S.S. Doo, R.C. Carpenter, 'Changes in coral reef community structure in response to year-long incubations under contrasting pCO2 regimes', Marine Biology, 2019, doi:10.1007/s00227-019-3540-2. Here, the effects of ocean acidification (OA) on back reef communities from Mo'orea, French Polynesia (17.492S, 149.826W), were tested from 12 November 2015 to 16 November 2016 in outdoor flumes maintained at various mean pCO2 levels.

MCR LTER: Coral Reef: Data in support of Edmunds 2018 Scientific Reports

These data are selected from the larger MCR LTER timeseries datasets knb-lter-mcr.4001 and knb-lter-mcr.4 which contain annual surveys of coral recruitment and coral cover and are formatted here in support of this publication: Edmunds, P.J., Implications of high rates of sexual recruitment in driving rapid reef recovery in Mo'orea, French Polynesia, Scientific Reports 8, Article number: 16615 (2018). DOI:10.1038/s41598-018-34686-z This material is based upon work supported by the U.S. National Science Foundation under Grant No.

MCR LTER: Coral Reef: Data to support manuscript: Experimental Support for Alternative Attractors on Coral Reefs

Ecological theory predicts that ecosystems with multiple basins of attraction can get locked in an undesired state, which has profound ecological and management implications. Despite their significance, alternative attractors have proven to be challenging to detect and characterize in natural communities. On coral reefs, it has been hypothesized that persistent coral-to-macroalgae ‘phase shifts’ that can result from overfishing of herbivores and/or nutrient enrichment may reflect a regime shift to an alternate attractor, but to date the evidence has been equivocal.

MCR LTER: Coral Reef: Density-dependence data for Edmunds, et al., Ecology 2018

This dataset contains coral cover data describing the context within which denisty-dependence (DD) was measured on the island of Moorea, French Polynesia, including data describing the benthic community, diameters of Pocillopora spp. measured in photoquadrats, surveys of corals and recruits. These data correspond to figures 1 through 3 in the manuscript by PJ Edmunds, L. Bramanti, and H.R. Nelson, 'Density-dependence mediates coral community structure', Ecology, 99(11), 2018, pp. 2605-2613. This ata set was revised on 27 November 2018. The data managed for Fig.

MCR LTER: Coral Reefs: Stegastes behavior data in support of Kamath, et al., Oikos 2019

Stable between-group differences in collective behavior have been documented in a variety of social taxa. Here we evaluate the effects of such variation, often termed collective or colony-level personality, on coral recovery in a tropical marine farmerfish system. Groups of the farmerfish Stegastes nigricans cultivate and defend gardens of palatable algae on coral reefs in the Indo-Pacific. These gardens can promote the recruitment, growth, and survival of corals by providing a refuge from coral predation.

MCR LTER: Coral Reef: Recruitment during El Niño, Edmunds PLOS1 2017

The negative implications of the thermal sensitivity of reef corals became clear with coral bleaching throughout the Caribbean in the 1980’s, and later globally, with the severe El Niño of 1998 and extensive seawater warming in 2005. These events have substantially contributed to declines in coral cover, and therefore the El Niño of 2016 raised concerns over the implications for coral reefs; on the Great Barrier Reef these concerns have been realized.

MCR LTER: Coral Reefs: Coral recruitment to 25 m2 plots on the forereef surrounding Moorea, French Polynesia, 2011-2015

These data report the number of Pocilloporid, Acroporid and Poritiid corals recruiting annually to permanent 5 m X 5 m plots established at a depth of approximately 10 m on the forereef of Moorea, French Polynesia. Plots were established following an outbreak (2007-2010) of the corallivorous crown-of-thorns seastars (Acanthaster planci) and the close passage of Cyclone Oli to Moorea in February, 2010.

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