Data

Burrow tenure in the fiddler crab Uca capricornis

Australian Ocean Data Network
Detto, Tanya ; Zeil, Jochen, Dr ; Backwell, Patricia, Dr ; Hemmi, Jan, Dr
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://catalogue.aodn.org.au:443/geonetwork/srv/api/records/1cc6bd60-4eeb-11dc-a541-00188b4c0af8&rft.title=Burrow tenure in the fiddler crab Uca capricornis&rft.identifier=https://catalogue.aodn.org.au:443/geonetwork/srv/api/records/1cc6bd60-4eeb-11dc-a541-00188b4c0af8&rft.description=Crabs sometimes vacate their territories due to continued harassment by their neighbours. To determine whether male-female pairs were longer lasting than male-male pairs, we documented the number of crabs that were still present in their same burrow after 24 hours. 20 Focal males were selected: 10 with male nearest neighbours and 10 with female nearest neighbours. The following day, at the same time relative to low tide, we determined whether the crabs were in the same burrows. Data recorded included: the tidal height and time, and whether each crab was present or not. A new set of 20 pairs were marked each day over a period of 26 days. The data suggests the crabs were less likely to change burrows during neap tides. Males with female neighbours also tended to be more stable than males with male neighbours.Statement: Each day, 20 randomly selected focal males were selected: 10 with male nearest neighbours and 10 with female nearest neighbours. To avoid catching and marking the crabs, which may affect their behaviour, burrows were marked and each individual was identified by drawing its unique carapace colour pattern. The following day, at the same time relative to low tide, we determined whether the crabs were in the same burrows. A new set of 20 pairs were marked each day over a 26-day period.Statement: Of the 520 crab pairs involved in the experiment, 54 burrows were observed to be sealed after the 24-hour period. On these occasions it was not possible to determine if the individual was present or not. In the dataset: 1=present, 0=absent, blank=sealed. Parameters: Day number of experiment, tidal height (m), tidal time (UTC/GMT +9.30hrs), heterosexual or homosexual pair (fm=1, mm=2), presence / absence / burrow blocked for both crabs.&rft.creator=Detto, Tanya &rft.creator=Zeil, Jochen, Dr &rft.creator=Backwell, Patricia, Dr &rft.creator=Hemmi, Jan, Dr &rft.date=2007&rft.coverage=130.83298,-12.40969 130.83297,-12.40975 130.83302,-12.40975 130.83303,-12.40970 130.83298,-12.40969&rft.coverage=westlimit=130.5; southlimit=-13; eastlimit=131; northlimit=-12&rft.coverage=westlimit=130.5; southlimit=-13; eastlimit=131; northlimit=-12&rft.coverage=uplimit=0; downlimit=0&rft.coverage=uplimit=0; downlimit=0&rft_rights=Thumbnail may not be reproduced without prior consent from the principal investigator&rft_rights= http://creativecommons.org/licenses/by/2.5/au/&rft_rights=http://i.creativecommons.org/l/by/2.5/au/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Creative Commons Attribution 2.5 Australia License&rft_rights=http://creativecommons.org/international/au/&rft_rights=WWW:LINK-1.0-http--related&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&rft_rights=The citation in a list of references is: citation author name/s (year metadata published), metadata title. Citation author organisation/s. File identifier and Data accessed at (add http link).&rft_rights=Users are kindly requested to contact the principal investigator for authorisation before utilising or reproducing any material&rft_rights=Creative Commons Attribution 2.5 Australia License http://creativecommons.org/licenses/by/2.5/au&rft_subject=biota&rft_subject=28 960036&rft_subject=CRUSTACEANS&rft_subject=EARTH SCIENCE&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=ANIMALS/INVERTEBRATES&rft_subject=ARTHROPODS&rft_subject=Tenure&rft_subject=Neighbour Relations&rft_subject=Behavioural Ecology&rft_subject=Ocypodidae&rft_subject=Fiddler Crab&rft_subject=Uca capricornis&rft_subject=day&rft_subject=tide_height&rft_subject=time&rft_subject=pairing&rft_subject=burrow_availability&rft.type=dataset&rft.language=English Access the data
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Brief description

Crabs sometimes vacate their territories due to continued harassment by their neighbours. To determine whether male-female pairs were longer lasting than male-male pairs, we documented the number of crabs that were still present in their same burrow after 24 hours. 20 Focal males were selected: 10 with male nearest neighbours and 10 with female nearest neighbours. The following day, at the same time relative to low tide, we determined whether the crabs were in the same burrows. Data recorded included: the tidal height and time, and whether each crab was present or not. A new set of 20 pairs were marked each day over a period of 26 days. The data suggests the crabs were less likely to change burrows during neap tides. Males with female neighbours also tended to be more stable than males with male neighbours.

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Statement: Each day, 20 randomly selected focal males were selected: 10 with male nearest neighbours and 10 with female nearest neighbours. To avoid catching and marking the crabs, which may affect their behaviour, burrows were marked and each individual was identified by drawing its unique carapace colour pattern. The following day, at the same time relative to low tide, we determined whether the crabs were in the same burrows. A new set of 20 pairs were marked each day over a 26-day period.
Statement: Of the 520 crab pairs involved in the experiment, 54 burrows were observed to be sealed after the 24-hour period. On these occasions it was not possible to determine if the individual was present or not. In the dataset: 1=present, 0=absent, blank=sealed. Parameters: Day number of experiment, tidal height (m), tidal time (UTC/GMT +9.30hrs), heterosexual or homosexual pair (fm=1, mm=2), presence / absence / burrow blocked for both crabs.

Notes

Credit
Australian Research Council (ARC) Centre for Excellence for Vision Science
Credit
Australian Research Council (ARC) Discovery Grant
Credit
The Centre of Visual Sciences (CVS, The Australian National University)
Credit
The Australian National University PhD Scholarship
Purpose
To determine whether male-female pairs were longer lasting than male-male pairs.

Issued: 20 08 2007

Data time period: 2002-11 to 2006-01

This dataset is part of a larger collection

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130.83298,-12.40969 130.83297,-12.40975 130.83302,-12.40975 130.83303,-12.4097 130.83298,-12.40969

130.833,-12.40972

131,-12 131,-13 130.5,-13 130.5,-12 131,-12

130.75,-12.5

text: westlimit=130.5; southlimit=-13; eastlimit=131; northlimit=-12

text: uplimit=0; downlimit=0

Subjects
28 960036 | ANIMALS/INVERTEBRATES | ARTHROPODS | BIOLOGICAL CLASSIFICATION | Behavioural Ecology | Crustaceans | EARTH SCIENCE | Fiddler Crab | Neighbour Relations | Ocypodidae | Tenure | Uca capricornis | biota | burrow_availability | day | pairing | tide_height | time |

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Other Information
Burrow tenure raw data (Burrow_tenure.xls)

uri : https://catalogue.aodn.org.au:443/geonetwork/srv/api/records/1cc6bd60-4eeb-11dc-a541-00188b4c0af8/attachments/Burrow_tenure.xls

global : 7ac5fb10-4f77-11dc-87ba-00188b4c0af8

Identifiers
  • global : 1cc6bd60-4eeb-11dc-a541-00188b4c0af8
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