Data

Chloroplast migration in Halimeda species from the Great Barrier Reef

Australian Institute of Marine Science
Australian Institute of Marine Science (AIMS)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://apps.aims.gov.au/metadata/view/27d43cff-4b89-48da-801b-935e1771d662&rft.title=Chloroplast migration in Halimeda species from the Great Barrier Reef&rft.identifier=https://apps.aims.gov.au/metadata/view/27d43cff-4b89-48da-801b-935e1771d662&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=A series of experiments examining the migration of chloroplasts in a number of Halimeda species (Halimeda distorta, Halimeda hederacea, Halimeda opuntia, Halimeda spp., Halimeda tuna)Time-lapse photography was used to record the change in colour from dark-green to almost white condition. The surface area of growing segments on the time-lapse films was measured using a computer interface with the video frames.Halimeda spp. (collected from Cockle Bay, Magnetic Island) was used in laboratory experiments (conducted at AIMS) and was also studied in conjunction with Halimeda hederacea and Halimeda opuntia at Davies Reef.Spectrophotometry of acetone extracts was used to determine the chlorophyll a and b contents of freeze-dried Halimeda. A LICOR LI 3000 area meter with a LI 3050 conveyor system measured surface areas of segments and also the segments from branches used to measure photosynthesis and respiration rates which were placed in an adjacent tank. Pigment content and oxygen metabolism are expressed per unit area of segment.The effects of temperature (5 degree increments between 15 and 30°C) were examined in laboratory experiments on Halimeda distorta and Halimeda tuna.The effect of circadian rhythms was examined in a further laboratory experiment on Halimeda distorta. To better understand paling patterns in Halimeda species.Maintenance and Update Frequency: notPlanned&rft.creator=Australian Institute of Marine Science (AIMS) &rft.date=2025&rft.coverage=westlimit=146.81; southlimit=-19.28; eastlimit=147.65; northlimit=-18.245&rft.coverage=westlimit=146.81; southlimit=-19.28; eastlimit=147.65; northlimit=-18.245&rft_rights=Creative Commons Attribution-NonCommercial 3.0 Australia License http://creativecommons.org/licenses/by-nc/3.0/au/&rft_rights=Use Limitation: All AIMS data, products and services are provided as is and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.&rft_rights=Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: Australian Institute of Marine Science (AIMS). (2010). Chloroplast migration in Halimeda species from the Great Barrier Reef. https://apps.aims.gov.au/metadata/view/27d43cff-4b89-48da-801b-935e1771d662, accessed[date-of-access].&rft_rights=Resource Usage:Use of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.&rft_subject=oceans&rft.type=dataset&rft.language=English Access the data
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Creative Commons Attribution-NonCommercial 3.0 Australia License
http://creativecommons.org/licenses/by-nc/3.0/au/

Use Limitation: All AIMS data, products and services are provided "as is" and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.

Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: "Australian Institute of Marine Science (AIMS). (2010). Chloroplast migration in Halimeda species from the Great Barrier Reef. https://apps.aims.gov.au/metadata/view/27d43cff-4b89-48da-801b-935e1771d662, accessed[date-of-access]".

Resource Usage:Use of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.

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Brief description

A series of experiments examining the migration of chloroplasts in a number of Halimeda species (Halimeda distorta, Halimeda hederacea, Halimeda opuntia, Halimeda spp., Halimeda tuna)Time-lapse photography was used to record the change in colour from dark-green to almost white condition. The surface area of growing segments on the time-lapse films was measured using a computer interface with the video frames.Halimeda spp. (collected from Cockle Bay, Magnetic Island) was used in laboratory experiments (conducted at AIMS) and was also studied in conjunction with Halimeda hederacea and Halimeda opuntia at Davies Reef.Spectrophotometry of acetone extracts was used to determine the chlorophyll a and b contents of freeze-dried Halimeda. A LICOR LI 3000 area meter with a LI 3050 conveyor system measured surface areas of segments and also the segments from branches used to measure photosynthesis and respiration rates which were placed in an adjacent tank. Pigment content and oxygen metabolism are expressed per unit area of segment.The effects of temperature (5 degree increments between 15 and 30°C) were examined in laboratory experiments on Halimeda distorta and Halimeda tuna.The effect of circadian rhythms was examined in a further laboratory experiment on Halimeda distorta. To better understand paling patterns in Halimeda species.

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Maintenance and Update Frequency: notPlanned

Notes

Credit
Drew, Edward A, Dr (Principal Investigator)

Modified: 23 06 2025

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147.65,-18.245 147.65,-19.28 146.81,-19.28 146.81,-18.245 147.65,-18.245

147.23,-18.7625

text: westlimit=146.81; southlimit=-19.28; eastlimit=147.65; northlimit=-18.245

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Other Information
Studies on Halimeda. V. Effect of Temperature on Chloroplast Migration in this Siphonous Green Alga: Drew EA and Abel KM (1995) Studies on Halimeda. V. Effect of Temperature on Chloroplast Migration in this Siphonous Green Alga. Biological Rhythm Research 26: 48-54.

local : articleId=2447

Studies on Halimeda. IV. An edogenous rhythm of chloroplast migration in the siphonous green alga, H.distorta: Drew EA and Abel KM (1992) Studies on Halimeda. IV. An edogenous rhythm of chloroplast migration in the siphonous green alga, H.distorta. Journal of Interdisciplinary Cycle Research 23: 128-135.

local : articleId=2416

Studies on Halimeda. III. A daily cycle of chloroplast migration within segments: Drew EA and Abel KM (1990) Studies on Halimeda. III. A daily cycle of chloroplast migration within segments. Botanica Marina 33: 31-45.

local : articleId=2290

Growth of Halimeda in reefal and inter-reefal environments: Drew EA and Abel KM (1983) Growth of Halimeda in reefal and inter-reefal environments. pp. 299-304. In: Baker JT, Carter RM, Sammarco PW and Stark KP (eds) Proceedings: Inaugural Great Barrier Reef Conference, Townsville Aug 28 - Sept 2, 1983. James Cook University Press.

local : articleId=8263

Identifiers
  • global : 27d43cff-4b89-48da-801b-935e1771d662