Data

Code and data for: The effect of seabird presence and seasonality on ground-active spider communities across temperate islands

University of Tasmania, Australia
Pascoe, Penelope
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=info:doi10.25959/CSCA-B214&rft.title=Code and data for: The effect of seabird presence and seasonality on ground-active spider communities across temperate islands&rft.identifier=10.25959/CSCA-B214&rft.description=We investigated the effects of seabird presence and seasonality on ground-active spider community structure (activity-density, family-level richness, age class and sex structure) and composition at the family-level across five short-tailed shearwater breeding islands around south-eastern Tasmania, Australia. Using 75 pitfall traps (15 per island), spiders were collected inside, near and outside seabird colonies on each island, at five different stages of the short-tailed shearwater breeding cycle over a year. 3.    Pitfall traps were deployed for a total of 2,674 days, capturing 1,592 spiders from 26 families with Linyphiidae and Lycosidae the most common.Maintenance and Update Frequency: notPlannedStatement: Five invertebrate pitfall traps were deployed at each location (n = 15 per island). Traps were set at approximately 5 m intervals and consisted of a 7 cm diameter piece of polypipe inserted flush with the ground. A 200 ml plastic beaker was inserted flush with the polypipe and filled with 1 cm propylene glycol. We left traps set for 4-10 days depending on island accessibility (mean = 8.22 days) before collection. The short duration was chosen to minimise the chance of traps flooding from rain, and prevent the degradation of samples which were also being used for stable isotope analysis (see Pascoe et al., 2022). As further protection from flooding, traps were also placed under vegetation where possible to provide shelter from rain. The observed water levels in traps at collection indicated that trap flooding was rarely and issue. Pitfall trap contents were passed through 20 denier polyganza mesh to remove the propylene glycol and then covered with 70% ethanol for preservation. We repeated this process five times over a year, giving a total of 2674 trapping days (15 traps on five islands deployed five times for 4-10 days each deployment). Each sampling event was timed to coincide with a different season and stage of the short-tailed shearwater breeding cycle: 1. Autumn, March 2020 - pre-fledging; 2. Winter, June/July 2020 - start of vacant colony period; 3. Spring, September 2020 - end of vacant colony period; 4. Summer, December 2020 - incubation and 5. Autumn, March 2021 - pre-fledging.&rft.creator=Pascoe, Penelope &rft.date=2015&rft.coverage=westlimit=146.2312692571431; southlimit=-43.68281562522466; eastlimit=146.29369155317542; northlimit=-43.61596796388009&rft.coverage=westlimit=146.2312692571431; southlimit=-43.68281562522466; eastlimit=146.29369155317542; northlimit=-43.61596796388009&rft.coverage=westlimit=147.12059355492346; southlimit=-43.511739026690854; eastlimit=147.1505561765527; northlimit=-43.48457048904743&rft.coverage=westlimit=147.12059355492346; southlimit=-43.511739026690854; eastlimit=147.1505561765527; northlimit=-43.48457048904743&rft.coverage=westlimit=147.2229660969471; southlimit=-43.44832671628118; eastlimit=147.24294134567134; northlimit=-43.43382317124058&rft.coverage=westlimit=147.2229660969471; southlimit=-43.44832671628118; eastlimit=147.24294134567134; northlimit=-43.43382317124058&rft.coverage=westlimit=147.4132917929685; southlimit=-43.25559931244001; eastlimit=147.42577621864734; northlimit=-43.241959068750184&rft.coverage=westlimit=147.4132917929685; southlimit=-43.25559931244001; eastlimit=147.42577621864734; northlimit=-43.241959068750184&rft.coverage=westlimit=147.66454156173975; southlimit=-43.14618875019415; eastlimit=147.6788986722252; northlimit=-43.122956894668405&rft.coverage=westlimit=147.66454156173975; southlimit=-43.14618875019415; eastlimit=147.6788986722252; northlimit=-43.122956894668405&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/&rft_rights=Cite data as: Pascoe, P. (2022). Code and data for: The effect of seabird presence and seasonality on ground-active spider communities across temperate islands [Data set]. Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS). https://doi.org/10.25959/CSCA-B214&rft_rights=Please contact the researcher when accessing the dataset.&rft_rights=The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.&rft_subject=biota&rft_subject=Araneae&rft_subject=community composition&rft_subject=biodiversity assessment&rft_subject=Ardenna tenuirostris&rft_subject=EARTH SCIENCE | BIOLOGICAL CLASSIFICATION | ANIMALS/INVERTEBRATES&rft_subject=EARTH SCIENCE | BIOLOGICAL CLASSIFICATION | ANIMALS/INVERTEBRATES | ARTHROPODS | CHELICERATES | ARACHNIDS&rft_subject=EARTH SCIENCE | BIOLOGICAL CLASSIFICATION | ANIMALS/VERTEBRATES | BIRDS&rft_subject=EARTH SCIENCE | BIOSPHERE | ECOSYSTEMS | TERRESTRIAL ECOSYSTEMS | ISLANDS&rft_subject=Behavioural Ecology&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Wildlife and Habitat Management&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=ENVIRONMENTAL SCIENCE AND MANAGEMENT&rft.type=dataset&rft.language=English Access the data
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Creative Commons Attribution 4.0 International License
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Cite data as: Pascoe, P. (2022). Code and data for: The effect of seabird presence and seasonality on ground-active spider communities across temperate islands [Data set]. Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS). https://doi.org/10.25959/CSCA-B214

Please contact the researcher when accessing the dataset.

The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.

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Full description

We investigated the effects of seabird presence and seasonality on ground-active spider community structure (activity-density, family-level richness, age class and sex structure) and composition at the family-level across five short-tailed shearwater breeding islands around south-eastern Tasmania, Australia. Using 75 pitfall traps (15 per island), spiders were collected inside, near and outside seabird colonies on each island, at five different stages of the short-tailed shearwater breeding cycle over a year. 3.    Pitfall traps were deployed for a total of 2,674 days, capturing 1,592 spiders from 26 families with Linyphiidae and Lycosidae the most common.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: Five invertebrate pitfall traps were deployed at each location (n = 15 per island). Traps were set at approximately 5 m intervals and consisted of a 7 cm diameter piece of polypipe inserted flush with the ground. A 200 ml plastic beaker was inserted flush with the polypipe and filled with 1 cm propylene glycol. We left traps set for 4-10 days depending on island accessibility (mean = 8.22 days) before collection. The short duration was chosen to minimise the chance of traps flooding from rain, and prevent the degradation of samples which were also being used for stable isotope analysis (see Pascoe et al., 2022). As further protection from flooding, traps were also placed under vegetation where possible to provide shelter from rain. The observed water levels in traps at collection indicated that trap flooding was rarely and issue. Pitfall trap contents were passed through 20 denier polyganza mesh to remove the propylene glycol and then covered with 70% ethanol for preservation. We repeated this process five times over a year, giving a total of 2674 trapping days (15 traps on five islands deployed five times for 4-10 days each deployment). Each sampling event was timed to coincide with a different season and stage of the short-tailed shearwater breeding cycle: 1. Autumn, March 2020 - pre-fledging; 2. Winter, June/July 2020 - start of vacant colony period; 3. Spring, September 2020 - end of vacant colony period; 4. Summer, December 2020 - incubation and 5. Autumn, March 2021 - pre-fledging.

Notes

Credit
National Geographic Society (WW-222R-17)
Credit
Ecological Society of Australia through the Holsworth Wildlife Endowment (RT.114606)
Credit
Australian Academy of Science through the Margaret Middleton Fund for Endangered Australian Native Vertebrate Animals (RT.114646)

Data time period: 2020-02-25 to 0021-03-16

This dataset is part of a larger collection

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Subjects
Araneae | Ardenna tenuirostris | Biological Sciences | Behavioural Ecology | EARTH SCIENCE | BIOLOGICAL CLASSIFICATION | ANIMALS/INVERTEBRATES | EARTH SCIENCE | BIOLOGICAL CLASSIFICATION | ANIMALS/INVERTEBRATES | ARTHROPODS | CHELICERATES | ARACHNIDS | EARTH SCIENCE | BIOLOGICAL CLASSIFICATION | ANIMALS/VERTEBRATES | BIRDS | EARTH SCIENCE | BIOSPHERE | ECOSYSTEMS | TERRESTRIAL ECOSYSTEMS | ISLANDS | Ecology | Environmental Science and Management | Environmental Sciences | Wildlife and Habitat Management | biodiversity assessment | biota | community composition |

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Other Information
(DATA ACCESS - spider community data [.CSV direct download])

url : https://data.imas.utas.edu.au/attachments/c99acf82-c118-4817-8abb-a4dcea9738a5/Pascoe_etal_2022_spider_data.csv

(DATA ACCESS - R code)

url : https://data.imas.utas.edu.au/attachments/c99acf82-c118-4817-8abb-a4dcea9738a5/Pascoe_etal_2022_island_spiders.Rmd

Identifiers
ACN 633 798 857