Accessing BCO-DMO data
Brought to you by BCO-DMO
|
|
BCO-DMO ERDDAP
Accessing BCO-DMO data |
log in
Brought to you by BCO-DMO |
| griddap | Subset | tabledap | Make A Graph | wms | files | Accessible | Title | Summary | FGDC | ISO 19115 | Info | Background Info | RSS | Institution | Dataset ID | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| log in | [Fish abundance Moorea Exp 2018-2022] - Fish abundance during 4 year experiment manipulating consumer pressure and nutrient availability on a coral reef in Moorea, French Polynesia from 2018-2022 (Collaborative Research: Tipping points in coral reefs and their associated microbiomes: interactive effects of herbivory, nutrient enrichment, and temperature) | Here we experimentally test the relative importance of alterations to top-down and bottom-up processes in driving community development and variability after a simulated disturbance on a coral reef. We use a factorial experiment manipulating consumer pressure and nutrient enrichment for four years on a coral reef in Moorea, French Polynesia. Our experiment consisted of plots (~1.25 m2 each) that manipulated access by consumers via different size openings that allowed different size fishes access to the benthos, creating four levels of consumer pressure (Very Low, Low, Medium, High). These four levels of consumer pressure were crossed with manipulations of nutrient availability with either ambient or nutrient enriched conditions. At the start of the experiment, we removed all live corals and fleshy macroalgae from the plots to mimic the effects of a severe cyclone. We quantified the abundance of benthic organisms (e.g., corals, macroalgae, etc.) for four years to assess how experimental treatments affected community development. To evaluate the effectiveness of our cages at excluding fishes, we conducted visual surveys of our experimental plots. We conducted a five minute in situ survey on each exclosure for each time point between 2018 and 2022. Each survey recorded the size and species of all fishes that were present or entered the cage during the survey. We converted the counts of fishes to biomass using length-weight relationships as used by the Moorea Coral Reef LTER time series data (Moorea Coral Reef LTER, 2026).\n\ncdm_data_type = Other\nVARIABLES:\nsample_date (unitless)\nyear (unitless)\nmonth (unitless)\nmonthday (unitless)\nblockplot (units)\nherb_trt (unitless)\nnutrient_trt (unitless)\ndisturbance_trt (unitless)\nfish_family (unitless)\nfish_genus (unitless)\nfish_species (unitless)\nfish_count (unitless)\nfish_totallength (centimeters (cm))\nfish_totalbiomass (g)\n | BCO-DMO | bcodmo_dataset_1000896_v1 |