http://lod.bco-dmo.org/id/dataset/740014
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
2018-07-17
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Proportion of time the mangrove tree crab Aratus pisonii spent in different behaviors related to diet and energy storage (Cannizzo et al, (2018) Ecol & Evol.)
2018-07-16
publication
2018-07-16
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2019-12-04
publication
https://doi.org/10.1575/1912/bco-dmo.740014.1
Dr Blaine D. Griffen
University of South Carolina
principalInvestigator
Zachary J. Cannizzo
University of South Carolina
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: Griffen, B., Cannizzo, Z. (2018) Proportion of time the mangrove tree crab Aratus pisonii spent in different behaviors related to diet and energy storage (Cannizzo et al, (2018) Ecol & Evol.). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2018-07-16 [if applicable, indicate subset used]. doi:10.1575/1912/bco-dmo.740014.1 [access date]
A. pisonii behavior Dataset Description: <p>This dataset includes behavioral observations of individual mangrove tree crabs, Aratus pisonii: the proportion of time spent sitting, moving, feeding, or not visible. Size and sex of the crabs, water temperature, and tidal period of the observations were also recorded. Crabs were collected near Fort Pierce, Florida from a dock area and released into one of three habitats: mangrove, saltmarsh or under the dock.</p>
<p>These data are presented in&nbsp;Cannizzo et al (2018).</p> Methods and Sampling: <p>We observed the behavior of individual crabs in situ. In each habitat, we collected groups of five adult A. pisonii by hand and determined the sex and carapace width (to the nearest 0.1mm) of each individual. The groups of crabs were made up of the first five individuals that we encountered and could capture and were drawn from all accessible habitat. We then painted the carapace of each crab an identifying color with nail polish to aid in identification and visibility. Following a short period of observation to ensure normal behavior, we released the crabs onto a single tree within 10 m of the collection tree of all individuals (mangrove), onto separate S. alterniflora stalks within 10 m of the area of collection (saltmarsh), or onto the same piling (dock) of the dock where all individuals were captured. Release in the saltmarsh occurred during the rising tide when the crabs had no access to the sediment.</p>
<p>We observed crabs in the mangrove and saltmarsh habitats from the time they lost access to the sediment until the receding tide once again allowed access to the sediment (~6h depending on site and day). In contrast, we observed crabs on docks from three hours before slack high tide until three hours after slack high tide. The total time of observation, in minutes, was recorded. We watched crabs from a distance using binoculars and monitored the individuals continuously throughout the observational period. Behavior was recorded every five minutes and at every change in behavior within those five minute intervals as one of four categories: feeding, sitting, moving, or not-visible. Feeding was defined as the crab actively moving its claws from a food item or substrate to its mouth. Moving was defined as the crab actively moving along a substrate and not feeding. Other energy expending non-feeding activities, such as ritual aggression, were also classified under moving as they represent an expenditure of energy. Sitting was defined as the crab not actively moving, feeding, or participating in any activity. Invisible was defined as the crab not being visible to the observer.</p>
<p>We separated the observations into ebb and flood tidal periods.&nbsp;</p>
<p>To avoid biasing the data with crabs that were not visible for long periods, we removed data from individuals that were not visible for more than 66% of the tidal period. To calculate the proportion of time each crab performed each activity during each observational period we divided the minutes observed on that activity by the total number of minutes of the observational period.</p>
<p>Locations: Florida East Coast.<br />
Round Island Park: 27o33'33"N 80o19'53"W<br />
Pepper Park: 27o29'42'N 80o18'12"W<br />
Bear Point: 27o25'48"N 80o17'10"W<br />
North Causeway Park: 27o28'28"N 80o19'12"W<br />
Oslo Road: 27o35'14"N 80o21'55"W<br />
Anastasia State Park: 29o52'40"N 81o16'32"W<br />
Guana-Tolomato-Matanzas NERR: 30o0'49"N 81o20'42"W<br />
Palm Valley/Nocatee Canoe Launch: 30o07'57"N 81o23'08"W<br />
St. Augustine Yacht Club: 29o53'09"N 81o17'08"W</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1129166 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1129166
completed
Dr Blaine D. Griffen
University of South Carolina
801-422-5930
Provo
UT
84602
USA
blaine_griffen@byu.edu
pointOfContact
Zachary J. Cannizzo
University of South Carolina
815-353-1457
2524 Kiawah Ave.
Columbia
SC
29205
zac.cannizzo@gmail.com
pointOfContact
asNeeded
Dataset Version: 1
Unknown
Habitat
ID
Year
ISO_Date
Site
Crab
CW
Sex
Tide
Temp
totduration
Sitting
Moving
Feeding
Invisible
theme
None, User defined
site description
individual
year
date
site
sample description
width
sex
No BCO-DMO term
water temperature at measurement depth
duration
featureType
BCO-DMO Standard Parameters
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.
Linking Variation in Metabolic Processes as a Key to Prediction
https://osprey.bco-dmo.org/project/562104
Linking Variation in Metabolic Processes as a Key to Prediction
<p><em>Description from NSF award abstract:</em><br />
A major goal of biological and ecological sciences is to understand natural systems well enough to predict how species and populations will respond to a rapidly changing world (i.e., climate change, habitat loss, etc.). A population under any conditions will grow, shrink, or disappear altogether depending on how efficiently individuals consume resources (food), utilize that food metabolically, and eventually reproduce. However, making accurate predictions based on these metabolic processes is complicated by the realities that each species has different resource requirements and that no two individuals within a species are exactly alike. Rather, individuals vary and this variation, both within and across species, is central to many ecological and evolutionary processes. Developing the ability to predict responses of biological systems to a changing world therefore requires a mechanistic understanding of variation. The goal of this project is to improve this mechanistic understanding by examining variation within a metabolic context across a range of species that have a spectrum of commonly-seen resource requirements. Further, the work capitalizes on a unique biological characteristic of this group of species that allows control and manipulation of individual reproduction, facilitating experimental study of the mechanistic links between variation in individual consumption, metabolism, and reproduction. The foundation this research is a combination of field measurements and laboratory experiments using both well-established and newly-developed techniques to quantify these links. The result will be a quantitative framework to predict how individuals will respond reproductively to changes in resource use. Because of the close link between individual reproduction and population dynamics, this research will contribute substantially to predictions in population dynamics under realistic conditions where individuals use more than a single resource, and improve the prediction of responses to current and future ecological changes.</p>
<p><strong>The following publications and data resulted from this project:</strong></p>
<p>Belgrad, B. and B. Griffen. 2016. Predator-prey interactions mediated by prey personality and predator identity.<em>Proc. Roy. Soc. B</em>: In Review. [2016-01-20]<br />
<a href="http://www.bco-dmo.org/dataset/635735">P. herbstii mortality data</a>: Mortality of crabs when exposed to either a single blue crab, toadfish, or no predator for a week<br />
<a href="http://www.bco-dmo.org/dataset/635805">P. herbstii personality data</a>: Refuge use of crabs when exposed to predator odor cues from either blue crabs, toadfish, or control of no cue<br />
<a href="http://www.bco-dmo.org/dataset/635833">P. herbstii predator behavior data</a>: Refuge use and mobility of blue crabs and toadfish while in mesocosms for a week - behavior measured during two days.</p>
<p>Belgrad, B. and B. Griffen. 2016. The influence of dietary shifts on fitness of the blue crab, <em>Callinectes sapidus</em>. <em>PloS One. DOI: <a href="http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0145481" target="_blank">10.1371/journal.pone.0145481</a>.</em><br />
<a href="http://www.bco-dmo.org/dataset/630014">Blue crab activity</a>: Activity of crabs fed different diets over a summer<br />
<a href="http://www.bco-dmo.org/dataset/629934">Blue crab egg size</a>: Volume of eggs for crabs fed different diets<br />
<a href="http://www.bco-dmo.org/dataset/629856">Blue crab hepatopancreas index (HSI)</a>: Weight of hepatopancreas for crabs fed different diets<br />
<a href="http://www.bco-dmo.org/dataset/629878">Blue crab hepatopancreas lipid content</a>: Hepatopancreas lipid content of crabs fed different diets<br />
<a href="http://www.bco-dmo.org/dataset/629830">Blue crab reproductive tissue analysis (GSI)</a>: Gonadosomatic index of blue crabs on various diets<br />
<a href="http://www.bco-dmo.org/dataset/629965">Blue crab survival</a>: Blue crab survival data during the dietary study</p>
<p>Knotts ER, Griffen BD. 2016. Individual movement rates are sufficient to determine and maintain dynamic spatial positioning within <em>Uca pugilator</em> herds. <em>Behavioral Ecology and Sociobiology</em> 70:639-646<br />
<a href="http://www.bco-dmo.org/dataset/642465" target="_blank">Uca pugilator: behavior change with carapace marking</a>: Search space behavior due to carapace treatment (control, nail polish, and food dye)<br />
<a href="http://www.bco-dmo.org/dataset/642057" target="_blank">Uca pugilator: field spatial position</a>: Assessment of individual's position within a herd at 3 min. intervals; for proportion of time found at edge of herd<br />
<a href="http://www.bco-dmo.org/dataset/642081" target="_blank">Uca pugilator: herd position proportion</a>: Individual's proportion of time spent in an edge/alone position among a herd<br />
<a href="http://www.bco-dmo.org/dataset/642447" target="_blank">Uca pugilator: search space distribution</a>: Search space that crabs traveled; to evaluate the sample's distribution of exploratory behavior</p>
<p>Belgrad, B. and B. Griffen. 2015. Rhizocephalan infection modifies host food consumption by reducing host activity levels. <em>Journal of Experimental Marine Biology and Ecology</em>. 466: 70-75.<br />
<a href="http://www.bco-dmo.org/dataset/638671">E. depressus digestion time</a> : Time taken for food to pass through gut of flat-backed mud crabs infected by a parasite<br />
<a href="http://www.bco-dmo.org/dataset/638697">E. depressus metabolism</a>: Respiration rate of infected/uninfected flat-backed mud crabs<br />
<a href="http://www.bco-dmo.org/dataset/638726">E. depressus reaction time to prey</a>: Time taken for infected/uninfected flat-backed mud crabs to react to the presence of prey</p>
<p>Blakeslee, A.M., C.L. Keogh, A.E. Fowler, B. Griffen. 2015. Assessing the effects of trematode infection on invasive green crabs in eastern North America. <em>PLOS One</em> 10(6): e0128674.(<a href="http://dmoserv3.bco-dmo.org/data_docs/Variation_Metabolic_Processes/Blakeslee_etal_PlosOne_2015.pdf" target="_blank">pdf</a>)<br />
<a href="http://www.bco-dmo.org/dataset/642488" target="_blank">Carcinus: hemocyte density</a>: Counts of circulating hemocyte density in Carcinus maenas<br />
<a href="http://www.bco-dmo.org/dataset/642804" target="_blank">Carcinus: parasites physiology behavior</a>: Behavior and physiology of Carcinus maenas infected with trematode parasite</p>
<p>Griffen BD, Norelli AP (2015) Spatially variable habitat quality contributes to within-population variation in reproductive success. <em>Ecology and Evolution</em> 5:1474-1483.<br />
<a href="http://www.bco-dmo.org/dataset/648291">P. herbstii diet: sampling site characteristics (Eco-Evo 2015)</a><br />
<a href="http://www.bco-dmo.org/dataset/648300">P. herbstii diet: body measurements (Eco-Evo 2015)</a><br />
<a href="http://www.bco-dmo.org/dataset/648281">P. herbstii diet & reproduction (Eco-Evo 2015)<br />
P. herbstii: collection sites (Ecol-Evol 2015)</a></p>
<p>Griffen BD, Riley ME (2015) Potential impacts of invasive crabs on one life history strategy of native rock crabs in the Gulf of Maine. Biological Invasions 17:2533-2544.<br />
<a href="http://www.bco-dmo.org/dataset/644899">Cancer consumption and reproduction (Bio.Inv. 2015)</a>: Lab experiment linking dietary consumption and reproduction</p>
<p>Griffen BD, Vogel M, Goulding L, Hartman R (2015) Energetic effects of diet choice by invasive Asian shore crabs: implications for persistence when prey are scarce. <em>Marine Ecology Progress Series</em> 522:181-192.<br />
<a href="http://www.bco-dmo.org/dataset/648239">Hemigrapsus diet 1 (MEPS 2015)</a><br />
<a href="http://www.bco-dmo.org/dataset/648272">Hemigrapsus diet 2 (MEPS 2015)</a></p>
<p>Hogan and Griffen (2014). The Dietary And Reproductive Consequences Of Fishery-Related Claw Removal For The Stone Crab <em>Menippe</em> Spp. Journal of Shellfish Research, Vol. 33, No. 3, 795–804.<br />
<a href="http://www.bco-dmo.org/dataset/638569">Stone crab: 052012-DietChoiceExp1</a>: Prey choice for 2-clawed and 1-clawed Stone Crabs (Menippe spp.)<br />
<a href="http://www.bco-dmo.org/dataset/638622">Stone crab: 052012-LongTermConsumption</a>: Long-term consuption for 2-clawed and 1-clawed Stone Crabs (Menippe spp.), summer of 2012<br />
<a href="http://www.bco-dmo.org/dataset/638602">Stone crab: 062013-DietChoiceExp2</a>: Prey choice for 2-clawed and 1-clawed Stone Crabs (Menippe spp.)<br />
<a href="http://www.bco-dmo.org/dataset/638645">Stone crab: 062013-PreySizeSelection</a>: Prey Size selection ranking for 2-clawed and 1-clawed Stone Crabs (Menippe spp.)</p>
<p>Riley M, Johnston CA, Feller IC, and Griffen B. 2014. Range expansion of <em>Aratus pisonii </em>(mangrove tree crab) into novel vegetative habitats. <em>Southeastern Naturalist </em>13(4): 43-38<br />
<a href="http://www.bco-dmo.org/dataset/639205">A. pisonii: range expansion</a>: Aratus pisonii survey in native mangrove and novel salt marsh habitats</p>
<p>Riley M, Vogel M, Griffen B. 2014. Fitness-associated consequences of an omnivorous diet for the mangrove tree crab <em>Aratus pisonii</em>. <em>Aquatic Biology </em>20:35-43, DOI: 10.3354/ab00543<br />
<a href="http://www.bco-dmo.org/dataset/639095">A. pisonii: fitness and diet</a>: Impact of diet variation on physiological and reproductive condition of A. pisonii</p>
<p>Toscano BJ, Newsome B, Griffen BD (2014) Parasite modification of predator functional response. Oecologia 175:345-352b<br />
<a href="http://www.bco-dmo.org/dataset/638907">E. depressus - parasite and feeding (Oecologia, 2014)</a>: Feeding with and without parasitic barnacle infection<br />
<a href="http://www.bco-dmo.org/dataset/638930">E. depressus - parasite and prey handling (Oecologia, 2014)</a>: Food handling with and without parasitic barnacle infection<br />
<a href="http://www.bco-dmo.org/dataset/638956">E. depressus - parasite study - field survey (Oecologia, 2014)</a>: Parasitised field survey</p>
<p>Toscano BJ, Griffen BD (2014) Trait-mediated functional responses: predator behavioural type mediates prey consumption.<em>Journal of Animal Ecology</em> 83:1469-1477<br />
<a href="http://www.bco-dmo.org/dataset/638884">P. herbstii - activity and feeding (JAE, 2014)</a>: Activity level and feeding with and without predator cue</p>
<p>Toscano BJ, Gatto J, Griffen BD (2014) Effects of predation threat on repeatability of individual crab behavior revealed by mark recapture. <em>Behavioral Ecology and Sociobiology</em> 68:519-527<br />
<a href="http://www.bco-dmo.org/dataset/638853">P. herbstii - recapture behavior (BESB, 2014)</a>: Mud crabs refuge use and activity level - initial measurements<br />
<a href="http://www.bco-dmo.org/dataset/638825">P. herbstii - refuge use (BESB, 2014)</a>: Effect of predation threat on repeatability of individual crab behavior revealed by mark-recapture</p>
<p>Griffen BD, Altman I, Bess BM, Hurley J, Penfield A (2012) The role of foraging in the success of invasive species. Biological Invasions. 14:2545-2558<br />
<a href="http://www.bco-dmo.org/dataset/644932">Hemigrapsus seasonal diet (Bio.Inv. 2012)</a>: Percent herbivory and gut fullness for Hemigrapsus sanguineus at different times of year</p>
<p>Griffen BD, Toscano B, Gatto J (2012) The role of intraspecific trait variation in mediating indirect interactions. Ecology 93:1935-1943<br />
<a href="http://www.bco-dmo.org/dataset/644846">P. herbstii refuge use (Ecology, 2012)</a>: Proportion of time that Panopeus herbstii spent using refuge habitats in a lab experiment<br />
<a href="http://www.bco-dmo.org/dataset/644883">P. herbstii: Field personality distribution (Ecology, 2012)</a>: Field distribution of personality types in the mud crab Panopeus herbstii relative to tidal height<br />
<a href="http://www.bco-dmo.org/dataset/644867">P. herbstii: Trait mediated indirect effect (Ecology, 2012)</a>: Influence of refuge use by the mud crab Panopeus herbstii on consumption of bivalves</p>
<p>Riley ME, Griffen BD (2017) Habitat-specific differences alter traditional biogeographic patterns of life history in a climate-change induced range expansion. PLOS One 12(5):e0176263<br />
<a href="http://www.bco-dmo.org/dataset/639282">A. pisonii: egg size</a>: Comparing egg size in Aratus pisonii populations from mangrove and salt marsh habitats<br />
<a href="http://www.bco-dmo.org/dataset/639229">A. pisonii: fecundity</a>: Determining fecundity of Aratus pisonii populations in mangrove and salt marsh habitats<br />
<a href="http://www.bco-dmo.org/dataset/639320">A. pisonii: larval starvation resistance</a>: Comparing larval quality in Aratus pisonii populations from mangrove and salt marsh habitats<br />
<a href="http://www.bco-dmo.org/dataset/639250">A. pisonii: latitudinal body size</a>: Survey examining latitudinal body size patterns in Aratus pisonii<br />
<a href="http://www.bco-dmo.org/dataset/639301">A. pisonii: predation</a>: Comparing predation pressure on Aratus pisonii in mangrove and salt marsh habitats<br />
<a href="http://www.bco-dmo.org/dataset/639267">A. pisonii: reproductive effort</a>: Survey comparing Aratus pisonii reproductive effort in native and novel habitats<br />
<a href="http://www.bco-dmo.org/dataset/639335">A. pisonii: herbivory</a>: Relationship between leaf herbivory, tree characteristics, and refuge availability<br />
<a href="http://www.bco-dmo.org/dataset/639360">A. pisonii: mangrove tree survey</a>: Mangrove tree distribution and characteristics in a dwarf mangrove system</p>
<p>Cannizzo ZJ, Dixon SR & Griffen BD (2018). An anthropogenic habitat within a suboptimal colonized ecosystem provides improved conditions for a range-shifting species. Ecology and Evolution, 8(3):1524-1533.<br />
<a href="https://www.bco-dmo.org/dataset/740014">A. pisonii: behavior</a>: Proportion of time the mangrove tree crab Aratus pisonii spent in different behaviors related to diet and energy storage<br />
<a href="https://www.bco-dmo.org/dataset/740137">A. pisonii: dock-marsh thermal</a>: Thermal readings from under a dock and in a nearby salt marsh<br />
<a href="https://www.bco-dmo.org/dataset/741059">A. pisonii: sun-shade</a>: Proportion of time that mangrove tree crab Aratus pisonii spent in sun and shade in three habitats, 2015-2016.<br />
<a href="https://www.bco-dmo.org/dataset/741032">A. pisonii: thermal picture</a>: Thermal condition of A. pisonii in three habitats: under dock, mangroves, saltmarsh</p>
Variation in Metabolic Processes
largerWorkCitation
project
eng; USA
biota
oceans
-81.38556
-80.28611
27.43
30.1325
2015-05-09
2016-07-23
0
BCO-DMO catalogue of parameters from Proportion of time the mangrove tree crab Aratus pisonii spent in different behaviors related to diet and energy storage (Cannizzo et al, (2018) Ecol & Evol.)
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/740028.rdf
Name: Habitat
Units: unitless
Description: <p>The habitat where the crab was collected and observed.</p>
http://lod.bco-dmo.org/id/dataset-parameter/740029.rdf
Name: ID
Units: unitless
Description: <p>individual ID number given to each crab</p>
http://lod.bco-dmo.org/id/dataset-parameter/740030.rdf
Name: Year
Units: unitless
Description: <p>Year of observation/collection</p>
http://lod.bco-dmo.org/id/dataset-parameter/740032.rdf
Name: ISO_Date
Units: unitless
Description: <p>Day of observation/collection formatted as yyyy-mm-dd</p>
http://lod.bco-dmo.org/id/dataset-parameter/740033.rdf
Name: Site
Units: unitless
Description: <p>Site of observation/collection. RI= Round Island Park; PP=Pepper Park; BP=Bear Point; NC=North Causeway Park; Oslo=Oslo Road; ANA=Anastasia State Park; GTM= Guana-Tolomato-Matanzas NERR; PV= Palm Valley/Nocatee Canoe Launch; YC=St. Augustine Yacht Club</p>
http://lod.bco-dmo.org/id/dataset-parameter/740034.rdf
Name: Crab
Units: unitless
Description: <p>Color that crab was painted for identification during observations</p>
http://lod.bco-dmo.org/id/dataset-parameter/740035.rdf
Name: CW
Units: millimeters (mm)
Description: <p>Size of crab; measured as carapace-width</p>
http://lod.bco-dmo.org/id/dataset-parameter/740036.rdf
Name: Sex
Units: unitless
Description: <p>Sex of crab</p>
http://lod.bco-dmo.org/id/dataset-parameter/740037.rdf
Name: Tide
Units: unitless
Description: <p>Tidal period of observation. 0=flood tide; 1=ebb tide</p>
http://lod.bco-dmo.org/id/dataset-parameter/740038.rdf
Name: Temp
Units: degrees Celsius
Description: <p>Air temperature recorded during observation.</p>
http://lod.bco-dmo.org/id/dataset-parameter/740039.rdf
Name: totduration
Units: minutes
Description: <p>total duration in minutes of observational period.</p>
http://lod.bco-dmo.org/id/dataset-parameter/740040.rdf
Name: Sitting
Units: unitless
Description: <p>Proportion of time crab spent in sitting behavior during observational period</p>
http://lod.bco-dmo.org/id/dataset-parameter/740041.rdf
Name: Moving
Units: unitless
Description: <p>Proportion of time crab spent moving during observational period</p>
http://lod.bco-dmo.org/id/dataset-parameter/740042.rdf
Name: Feeding
Units: unitless
Description: <p>Proportion of time crab spent feeding during observational period</p>
http://lod.bco-dmo.org/id/dataset-parameter/740043.rdf
Name: Invisible
Units: unitless
Description: <p>Proportion of time crab was not visible during observational period</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
19812
https://darchive.mblwhoilibrary.org/bitstream/1912/24934/1/dataset-740014_pisonii-behavior__v1.tsv
download
https://doi.org/10.1575/1912/bco-dmo.740014.1
download
onLine
dataset
<p>We observed the behavior of individual crabs in situ. In each habitat, we collected groups of five adult A. pisonii by hand and determined the sex and carapace width (to the nearest 0.1mm) of each individual. The groups of crabs were made up of the first five individuals that we encountered and could capture and were drawn from all accessible habitat. We then painted the carapace of each crab an identifying color with nail polish to aid in identification and visibility. Following a short period of observation to ensure normal behavior, we released the crabs onto a single tree within 10 m of the collection tree of all individuals (mangrove), onto separate S. alterniflora stalks within 10 m of the area of collection (saltmarsh), or onto the same piling (dock) of the dock where all individuals were captured. Release in the saltmarsh occurred during the rising tide when the crabs had no access to the sediment.</p>
<p>We observed crabs in the mangrove and saltmarsh habitats from the time they lost access to the sediment until the receding tide once again allowed access to the sediment (~6h depending on site and day). In contrast, we observed crabs on docks from three hours before slack high tide until three hours after slack high tide. The total time of observation, in minutes, was recorded. We watched crabs from a distance using binoculars and monitored the individuals continuously throughout the observational period. Behavior was recorded every five minutes and at every change in behavior within those five minute intervals as one of four categories: feeding, sitting, moving, or not-visible. Feeding was defined as the crab actively moving its claws from a food item or substrate to its mouth. Moving was defined as the crab actively moving along a substrate and not feeding. Other energy expending non-feeding activities, such as ritual aggression, were also classified under moving as they represent an expenditure of energy. Sitting was defined as the crab not actively moving, feeding, or participating in any activity. Invisible was defined as the crab not being visible to the observer.</p>
<p>We separated the observations into ebb and flood tidal periods.&nbsp;</p>
<p>To avoid biasing the data with crabs that were not visible for long periods, we removed data from individuals that were not visible for more than 66% of the tidal period. To calculate the proportion of time each crab performed each activity during each observational period we divided the minutes observed on that activity by the total number of minutes of the observational period.</p>
<p>Locations: Florida East Coast.<br />
Round Island Park: 27o33'33"N 80o19'53"W<br />
Pepper Park: 27o29'42'N 80o18'12"W<br />
Bear Point: 27o25'48"N 80o17'10"W<br />
North Causeway Park: 27o28'28"N 80o19'12"W<br />
Oslo Road: 27o35'14"N 80o21'55"W<br />
Anastasia State Park: 29o52'40"N 81o16'32"W<br />
Guana-Tolomato-Matanzas NERR: 30o0'49"N 81o20'42"W<br />
Palm Valley/Nocatee Canoe Launch: 30o07'57"N 81o23'08"W<br />
St. Augustine Yacht Club: 29o53'09"N 81o17'08"W</p>
Specified by the Principal Investigator(s)
<p>BCO-DMO Processing<br />
- added column for ISO_Date, joining year and month-day columns; removed display of Date (d-Mon) column<br />
- reordered columns: Year, Habitat<br />
- reduced&nbsp;the decimal precision of behavior proportions from 9 to 2 places</p>
Specified by the Principal Investigator(s)
asNeeded
7.x-1.1
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