http://lod.bco-dmo.org/id/dataset/4014
eng; USA
utf8
dataset
Highest level of data collection, from a common set of sensors or instrumentation, usually within the same research project
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
2013-08-19
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Results of experiment comparing herbivorous fish grazing at reefs with manipulated lionfish densities at Lee Stocking Island, Bahamas in 2011 (Lionfish Invasion project)
2013-08-16
publication
2013-08-16
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2021-12-27
publication
https://doi.org/10.26008/1912/bco-dmo.4014.1
Mark Hixon
Oregon State University
principalInvestigator
Tye L. Kindinger
Oregon State University
principalInvestigator
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
publisher
Cite this dataset as: Hixon, M., Kindinger, T. L. (2021) Results of experiment comparing herbivorous fish grazing at reefs with manipulated lionfish densities at Lee Stocking Island, Bahamas in 2011 (Lionfish Invasion project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2013-08-16 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.4014.1 [access date]
Experiment comparing herbivorous fish grazing at reefs with manipulated lionfish densities. Dataset Description: <p>A field experiment was conducted at Lee Stocking Islands, Bahamas from 07/22/2011 to 07/31/2011 to study the grazing activity of herbivorous fishes at reefs with manipulated lionfish (<em>Pterois volitans</em>) densities (low and high).</p> Methods and Sampling: <p>The grazing rates of herbivorous fishes (bites/time) and the resulting algal loss rates (change in percent cover/time) were measured on paired-by-treatment, algal-covered substrata. At reefs with high lionfish densities, treatments consisted of the presence vs. absence of lionfish in local habitats where algal-covered substrata were distributed. Reefs with low lionfish densities included only the lionfish-absent treatment. Divers counted the number of bites on each replicate sample of algal-covered substratum for each herbivore observed during each of 16 replicate 20-min observation periods per reef. Herbivore behavior was sampled by 4 replicate 60-min automated video observations per reef. Each grazing herbivore was identified to the species-level and its total body length was estimated visually. Changes in percent algal cover were measured from before-after photographs of each replicate substratum using ImageJ.</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-0851162 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=0851162
completed
Mark Hixon
Oregon State University
Department of Zoology 3029 Cordley Hall
Corvallis
OR
97331-2914
USA
hixonm@science.oregonstate.edu
pointOfContact
Tye L. Kindinger
Oregon State University
Oregon State University, Dept. of Zoology 3029 Cordley Hall
Corvallis
OR
97331-2914
USA
kindingt@onid.orst.edu
pointOfContact
asNeeded
Dataset Version: 1
Unknown
date
site
lat
lon
area
depth_min
depth_max
reef_pair_code
nearest
tidal_chan
ex_sound
substrate_type
site_treatment
replicate
treatment
ledge_pair
ledge_treatment
filmed
obs_time
algal_pcnt_init
algal_pcnt_final
algal_loss
fish_count_tot
bites_tot
prey_tot
prey_bites_tot
adult_tot
adult_bites_tot
graze_rate
family
family_common
count
number_of_bites
prey_num
prey_bites
adult_num
adult_bites
theme
None, User defined
date
site
latitude
longitude
No BCO-DMO term
depth_min
depth_max
replicate
time_elapsed
count
family
featureType
BCO-DMO Standard Parameters
LSI_Reef_Surveys_09-12
service
Deployment Activity
Lee Stocking Island, Bahamas
place
Locations
otherRestrictions
otherRestrictions
Access Constraints: none. Use Constraints: Please follow guidelines at: http://www.bco-dmo.org/terms-use Distribution liability: Under no circumstances shall BCO-DMO be liable for any direct, incidental, special, consequential, indirect, or punitive damages that result from the use of, or the inability to use, the materials in this data submission. If you are dissatisfied with any materials in this data submission your sole and exclusive remedy is to discontinue use.
Ecological Release and Resistance at Sea: Invasion of Atlantic Coral Reefs by Pacific Lionfish
http://hixon.science.oregonstate.edu/content/highlight-lionfish-invasion
Ecological Release and Resistance at Sea: Invasion of Atlantic Coral Reefs by Pacific Lionfish
<p>Invasive species are increasingly introduced by human activities to new regions of the world where those species have never existed previously. In the absence of natural enemies (predators, competitors, and diseases) from their homeland, invasives may have strong negative effects on invaded ecosystems, especially systems with fewer species ("ecological release"), and may even drive native species extinct. However, if native natural enemies can somehow control the invaders ("ecological resistance"), then ecological disruption can be prevented or at least moderated. Most of the many invasive species in the sea have been seaweeds and invertebrates, and the few documented invasive marine fishes have not caused major problems. However, this situation has recently changed in a stunning and ominous way. In the early 1990s, lionfish (<i>Pterois volitans</i>) from the Pacific Ocean were accidentally or intentionally released from aquaria to the ocean in the vicinity of Florida. Camouflaged by shape and color, protected by venomous spines, consuming native coral-reef fishes voraciously, and reproducing rapidly, lionfish have subsequently undergone a population explosion. They now range from the mid-Atlantic coast of the US to the Caribbean, including the Bahamas. Native Atlantic fishes have never before encountered this spiny, stealthy, efficient predator and seldom take evasive action. In fact, the investigator has documented that a single lionfish is capable of reducing the abundance of small fish on a small coral patch reef by nearly 80% in just 5 weeks. There is great concern that invasive lionfish may severely reduce the abundance of native coral-reef fishes important as food for humans (e.g., grouper and snapper in their juvenile stages) as well as species that normally maintain the integrity of coral reefs (e.g., grazing parrotfishes that can prevent seaweeds from smothering corals). There are far more species of coral-reef fish in the Pacific than the Atlantic, so this invasion may represent a case of extreme ecological release with minor ecological resistance. Dr. Hixon and colleagues will study the mechanisms of ecological release in lionfish, as well as examine potential sources of ecological resistance in the heavily invaded Bahamas. Because very little is known about the ecology and behavior of lionfish in their native Pacific range, he will also conduct comparative studies in both oceans, which may provide clues regarding the extreme success of this invasion. In the Bahamas, the investigator will document the direct and indirect effects on native species of the ecological release of lionfish, both as a predator and as a competitor. These studies will be conducted at various scales of time and space, from short-term experiments on small patch reefs, to long-term experiments and observations on large reefs. Whereas direct effects involve mostly changes in the abundance of native species, indirect effects can be highly variable. For example, lionfish may actually indirectly benefit some native species by either consuming or outcompeting the competitors of those natives. The project will explore possible ecological resistance to the invasion by determining whether any native Bahamian species are effective natural enemies of lionfish, including predators, parasites, and competitors of both juvenile and adult lionfish. Comparative studies of natural enemies, as well as lionfish ecology and behavior, in both the Atlantic and the Pacific may provide clues regarding the explosive spread of lionfish in the Atlantic.</p>
<p>Regarding broader impacts, this basic research will provide information valuable to coral-reef and fisheries managers fighting the lionfish invasion in the US, the Bahamas, and the greater Caribbean, especially if sources of native ecological resistance are identified. The study will fund the PhD research of U.S. graduate students, as well as involve assistance and participation by a broad variety of undergraduates and reef/fisheries managers, including women, minorities, native Bahamians, and native Pacific islanders. Participation in this project will promote education in marine ecology and conservation biology directly via Dr. Hixon's and graduate students' teaching and outreach activities, and indirectly via the experiences of undergraduate field assistants and various associates.</p>
Lionfish Invasion
largerWorkCitation
project
eng; USA
oceans
Lee Stocking Island, Bahamas
-76.25342
-76.02326
23.6725
23.8313
2011-07-22
2011-07-31
Bahamas; Cayman Islands; Mariana Islands; Philippines
0
BCO-DMO catalogue of parameters from Results of experiment comparing herbivorous fish grazing at reefs with manipulated lionfish densities at Lee Stocking Island, Bahamas in 2011 (Lionfish Invasion project)
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
http://lod.bco-dmo.org/id/dataset-parameter/35959.rdf
Name: date
Units: mm/dd/YYYY
Description: <p>Date when data were collected.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35960.rdf
Name: site
Units: text
Description: <p>Name of experimental reef site.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35961.rdf
Name: lat
Units: decimal degrees
Description: <p>Latitude of experimental reef site.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35962.rdf
Name: lon
Units: decimal degrees
Description: <p>Longitude of experimental reef site.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35963.rdf
Name: area
Units: square meters
Description: <p>Approximate area of hard substrate at each reef location.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35964.rdf
Name: depth_min
Units: meters
Description: <p>Approximate minimum depth at reef location.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35965.rdf
Name: depth_max
Units: meters
Description: <p>Approximate maximum depth at reef location.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35966.rdf
Name: reef_pair_code
Units: code
Description: <p>Reef pair code. Reefs with same code were paired based on similarities in reef area; type; depth and location. One reef in each pair was assigned to one of the two lionfish treatments.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35967.rdf
Name: nearest
Units: meters
Description: <p>Approximate distance to nearest natural reef.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35968.rdf
Name: tidal_chan
Units: meters
Description: <p>Approximate distance to nearest tidal channel.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35969.rdf
Name: ex_sound
Units: meters
Description: <p>Approximate distance to nearest edge of Exuma Sound.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35970.rdf
Name: substrate_type
Units: text
Description: <p>Short description of predominant substrate type.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35971.rdf
Name: site_treatment
Units: text
Description: <p>Experimental treatment type. LOW = low lionfish density; HIGH = high lionfish density.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35972.rdf
Name: replicate
Units: integer
Description: <p>Replicate number of algal-covered substrate observed.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35973.rdf
Name: treatment
Units: text
Description: <p>Relative lionfish presence treatment (where grazing on replicate substrata were observed): <br />CTRL = within low-lionfish density reef where lionfish are absent;<br />LABS = within high-lionfish density reef where lionfish are absent;<br />LPRS = within high-lionfish density reef where lionfish are present</p>
http://lod.bco-dmo.org/id/dataset-parameter/35974.rdf
Name: ledge_pair
Units: code
Description: <p>Ledges where replicate substrata were placed in order to observe grazing were paired by similar microhabitat within reefs (10 pairs per reef).</p>
http://lod.bco-dmo.org/id/dataset-parameter/35975.rdf
Name: ledge_treatment
Units: text
Description: <p>Lionfish presence-absence at time of observation.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35976.rdf
Name: filmed
Units: Y or N
Description: <p>Whether replicate was filmed with an underwater camera or observed by a SCUBA diver. Y = yes; N = no.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35977.rdf
Name: obs_time
Units: minutes
Description: <p>Amount of time replicate was observed.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35978.rdf
Name: algal_pcnt_init
Units: percentage
Description: <p>Initial algal percent cover of each replicate substrate prior to observation.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35979.rdf
Name: algal_pcnt_final
Units: percentage
Description: <p>Final algal percent cover of each replicate substrate following observation.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35980.rdf
Name: algal_loss
Units: percentage
Description: <p>Total loss in algal percent cover of each replicate substrate (difference between initial and final percent cover).</p>
http://lod.bco-dmo.org/id/dataset-parameter/35981.rdf
Name: fish_count_tot
Units: integer
Description: <p>Total number of fish (of all families) observed grazing on introduced substrate per replicate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35982.rdf
Name: bites_tot
Units: integer
Description: <p>Total number of bites (from all families) observed on introduced substrate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35983.rdf
Name: prey_tot
Units: integer
Description: <p>Total number of fish (from all families) <10 cm total body length (TL) observed grazing on introduced substrate per replicate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35984.rdf
Name: prey_bites_tot
Units: integer
Description: <p>Total number of bites from fish (from all families) <10 cm TL observed on introduced substrate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35985.rdf
Name: adult_tot
Units: integer
Description: <p>Total number of fish (from all families) >10 cm TL observed grazing on introduced substrate per replicate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35986.rdf
Name: adult_bites_tot
Units: integer
Description: <p>Total number of bites from fish (from all families) >10 cm TL observed on introduced substrate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35987.rdf
Name: graze_rate
Units: integer
Description: <p>Total number of bites per observation time.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35988.rdf
Name: family
Units: text
Description: <p>Family name.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35989.rdf
Name: family_common
Units: text
Description: <p>Common name of family.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35990.rdf
Name: count
Units: integer
Description: <p>Total number of fish of the family observed on introduced substrate. (Equal to prey_num + adult_num)</p>
http://lod.bco-dmo.org/id/dataset-parameter/35991.rdf
Name: number_of_bites
Units: integer
Description: <p>Total number of bites observed on introduced substrate per family of fishes. (Equal to prey_bites + adult_bites)</p>
http://lod.bco-dmo.org/id/dataset-parameter/35992.rdf
Name: prey_num
Units: integer
Description: <p>Number of prey fish (<10 cm TL) of the family observed on introduced substrate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35993.rdf
Name: prey_bites
Units: integer
Description: <p>Number of bites observed by prey fish (<10 cm TL) of the family on introduced substrate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35994.rdf
Name: adult_num
Units: integer
Description: <p>Number of adult fish (>10 cm TL) of the family observed on introduced substrate.</p>
http://lod.bco-dmo.org/id/dataset-parameter/35995.rdf
Name: adult_bites
Units: integer
Description: <p>Number of bites observed by adult fish (>10 cm TL) of the family on introduced substrate.</p>
GB/NERC/BODC > British Oceanographic Data Centre, Natural Environment Research Council, United Kingdom
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
164991
https://darchive.mblwhoilibrary.org/bitstream/1912/27852/1/dataset-4014_lionfish-effects-grazing__v1.tsv
download
https://doi.org/10.26008/1912/bco-dmo.4014.1
download
onLine
dataset
<p>The grazing rates of herbivorous fishes (bites/time) and the resulting algal loss rates (change in percent cover/time) were measured on paired-by-treatment, algal-covered substrata. At reefs with high lionfish densities, treatments consisted of the presence vs. absence of lionfish in local habitats where algal-covered substrata were distributed. Reefs with low lionfish densities included only the lionfish-absent treatment. Divers counted the number of bites on each replicate sample of algal-covered substratum for each herbivore observed during each of 16 replicate 20-min observation periods per reef. Herbivore behavior was sampled by 4 replicate 60-min automated video observations per reef. Each grazing herbivore was identified to the species-level and its total body length was estimated visually. Changes in percent algal cover were measured from before-after photographs of each replicate substratum using ImageJ.</p>
Specified by the Principal Investigator(s)
<p>BCO-DMO Processing Notes:<br />
- Modified parameter names to conform with BCO-DMO naming conventions.<br />
- Added lat and lon values, and other descriptive information, for each site from the metadata.<br />
- Replaced abbreivated reef name with full reef name from metadata.<br />
- Transposed/re-arranged family names into a column (rather than separate columns).<br />
- 09-Jan-2018: removed embargo on dataset.</p>
Specified by the Principal Investigator(s)
asNeeded
7.x-1.1
Biological and Chemical Oceanography Data Management Office (BCO-DMO)
Unavailable
508-289-2009
WHOI MS#36
Woods Hole
MA
02543
USA
info@bco-dmo.org
http://www.bco-dmo.org
Monday - Friday 8:00am - 5:00pm
For questions regarding this resource, please contact BCO-DMO via the email address provided.
pointOfContact
Deployment: LSI_Reef_Surveys_09-12
LSI_Reef_Surveys_09-12
Tropical Marine Lab at Lee Stocking Island
laboratory
LSI_Reef_Surveys_09-12
Mark Hixon
Oregon State University
Tropical Marine Lab at Lee Stocking Island
laboratory