Dataset

Nitrogen fixation in a mangrove system, Hinchinbrook Island, north Queensland

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=http://apps.aims.gov.au/metadata/view/a2a58c2f-8047-438e-88a1-b17147fe5fe0&rft.title=Nitrogen fixation in a mangrove system, Hinchinbrook Island, north Queensland&rft.identifier=http://apps.aims.gov.au/metadata/view/a2a58c2f-8047-438e-88a1-b17147fe5fe0&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=Nitrogen fixation was studied in the mangrove forests adjacent to Missionary Bay and in a salt flat near Double Creek, Missionary Bay, Hinchinbrook Island in the summer, winter and spring of 1989. \n \nThe rate of reduction of acetylene during incubation of samples in airtight chambers was used to estimate nitrogen fixation rates. Acetylene and ethylene in the incubation mixtures were analysed simultaneously by gas-liquid chromatography. Acetylene reduction rates were converted to nitrogen fixation rates using the theoretical factor of three acetylene molecules equivalent to one nitrogen molecule. \n \nThree or more replicate samples of the following sample types were analysed: \n- forest sediments from low, mid and high intertidal sites \n- salt pan sediments \n- salt pan sediments covered with blue-green algal mats \n- prop roots with thick growths of mixed species turf algae from low, mid and high intertidal sites \n- decomposing logs containing varying amounts of teredinid molluscs. \nSome samples were discarded due to faulty equipment.\n This study was initiated to investigate the relative importance of various sources of nitrogen fixation and the seasonal variation in nitrogen fixation in mangrove forests and salt flats. From these data estimates of nitrogen fixation for the whole forest were made.\nStatement: The intertidal zones were defined as: \nLow - 0 to 0.3m above mean sea level (MSL) \nMid - 0.3 to 1.1m above mean sea level (MSL) \nHigh - 1.1 to 1.4m above mean seal level (MSL) \n \nThe method of conversion of acetylene reduction rates to nitrogen fixation rates is described in: \nTurner GL, Gibson AH (1980) Measurement of nitrogen fixation by indirect means. In Methods for Evaluating Biological Nitrogen Fixation (Bergersen, FJ, ed.). John Wiley and Sons, New York, pp. 111-138. \n \nThe gas-liquid chromatography was carried out using Hewlett Packard model 5840a gas chromatograph with a Poropak N column and flame ionization detection. \n&rft.creator=Australian Institute of Marine Science (AIMS) &rft.date=2010&rft.relation=http://data.aims.gov.au/extpubs/do/viewPub.do?articleId=2343&rft.coverage=northlimit=-18.24663335807821; southlimit=-18.24663335807821; westlimit=146.2340354919434; eastLimit=146.2340354919434&rft.coverage=northlimit=-18.24663335807821; southlimit=-18.24663335807821; westlimit=146.2340354919434; eastLimit=146.2340354919434&rft_rights=Attribution-NonCommercial 3.0 Australia http://creativecommons.org/licenses/by-nc/3.0/au/&rft_rights=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), Nitrogen fixation in a mangrove system, Hinchinbrook Island, north Queensland, https://apps.aims.gov.au/metadata/view/a2a58c2f-8047-438e-88a1-b17147fe5fe0, accessed[date-of-access].&rft_subject=oceans&rft.type=dataset&rft.language=English Access the data

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Attribution-NonCommercial 3.0 Australia
http://creativecommons.org/licenses/by-nc/3.0/au/

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), Nitrogen fixation in a mangrove system, Hinchinbrook Island, north Queensland, https://apps.aims.gov.au/metadata/view/a2a58c2f-8047-438e-88a1-b17147fe5fe0, accessed[date-of-access]".

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Brief description

Nitrogen fixation was studied in the mangrove forests adjacent to Missionary Bay and in a salt flat near Double Creek, Missionary Bay, Hinchinbrook Island in the summer, winter and spring of 1989. \n \nThe rate of reduction of acetylene during incubation of samples in airtight chambers was used to estimate nitrogen fixation rates. Acetylene and ethylene in the incubation mixtures were analysed simultaneously by gas-liquid chromatography. Acetylene reduction rates were converted to nitrogen fixation rates using the theoretical factor of three acetylene molecules equivalent to one nitrogen molecule. \n \nThree or more replicate samples of the following sample types were analysed: \n- forest sediments from low, mid and high intertidal sites \n- salt pan sediments \n- salt pan sediments covered with blue-green algal mats \n- prop roots with thick growths of mixed species turf algae from low, mid and high intertidal sites \n- decomposing logs containing varying amounts of teredinid molluscs. \nSome samples were discarded due to faulty equipment.\n This study was initiated to investigate the relative importance of various sources of nitrogen fixation and the seasonal variation in nitrogen fixation in mangrove forests and salt flats. From these data estimates of nitrogen fixation for the whole forest were made.\n

Notes

Boto, Kevin G, Dr (Principal Investigator)

Lineage

Statement: The intertidal zones were defined as: \nLow - 0 to 0.3m above mean sea level (MSL) \nMid - 0.3 to 1.1m above mean sea level (MSL) \nHigh - 1.1 to 1.4m above mean seal level (MSL) \n \nThe method of conversion of acetylene reduction rates to nitrogen fixation rates is described in: \nTurner GL, Gibson AH (1980) Measurement of nitrogen fixation by indirect means. In Methods for Evaluating Biological Nitrogen Fixation (Bergersen, FJ, ed.). John Wiley and Sons, New York, pp. 111-138. \n \nThe gas-liquid chromatography was carried out using Hewlett Packard model 5840a gas chromatograph with a Poropak N column and flame ionization detection. \n

Modified: 20200430

Data time period: 1989-03-02 to 1989-10-16

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146.23403549194,-18.246633358078

146.23403549194,-18.246633358078

text: northlimit=-18.24663335807821; southlimit=-18.24663335807821; westlimit=146.2340354919434; eastLimit=146.2340354919434

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