Dr. Meghan Dailer; Botany Department; University of Hawaii at Manoa, and Dr. Celia M. Smith, Principle Investigator; (same), Unknown, Delta-15 Nitrogen from All Shores of Maui and Benthic, Algae, and Urchin Data from Kahekili, West Maui, 2007-2009 (NODC Accession 0068665).
Directories and files in 0-data/File: Maui Algal Delta-N15 Coastline Survey 2007.xls Format: MS Office Excel 97-2003 WorksheetContent: delta-15 Nitrogen derived via algal species from around Maui during 2007Columns: self-explanatory with additional notes below Species Codes:Ahn: Ahnfeltiopsis concinnaHink: Asteronema breviarticulatum (formally known as Hinksia breviarticulatum and I still call it Hink :)) Ent: Enteromorpha intestinalisUlv: Ulva fasciataCla: Cladophora sericeaHyp: Hypnea musciformisAc: Acanthophora spiciferaLast four columns: Ave = Average, SE = Standard Error (the standard
deviation divided by the number of samples, in this case 3) Other definition for these columns deltaN15 is simplistically decribed as the ratio of N15 to N14. However there is a formula (provided below) that calculates deltaN15 unfortunately it is not simply the ratio of the two isotopes. delta15N (ppt) = ((Rsample/Rstandard) 1) x 103, where R = 15N/14N
File: Fine scale Coastline Survey Kahekili Kihei 2008.xls Format: MS Office Excel 97-2003 Worksheet Content: delta-15 Nitrogen derived via algal species at Kahekili and KiheiColumns: self-explanatorySites: see ../1-data/Fine_scale_sites.jpg File: Kahekili HFMA Baseline Urchins August 2008.xls Format: MS Office Excel 97-2003 WorksheetContent: Counts by urchin species from August 2008 survey in KahekiliColumns: self-explanatory File: Kahekili HFMA Baseline Urchins September 2009.xls Format: MS Office Excel 97-2003 Worksheet Content: Counts by urchin species from September 2009 survey in Kahekili Columns: self-explanatory File: Kahekili HFMA Benthic Baseline 2008.xls Format: MS Office Excel 97-2003 WorksheetContent: Counts by benthic type, coral, or algal species from January 2008 survey in KahekiliColumns: self-explanatory File: Kahekili HFMA Benthic Baseline 2009.xls Format: MS Office Excel 97-2003 WorksheetContent: Counts by benthic type, coral, or algal species from September 2009 survey in KahekiliColumns: self-explanatoryFile: HCRI_Final_Report_Smith_2009.doc Format: MS Office Word 97 - 2003 DocumentContent: Final Project Report acquired from Hawaii Coral Reef Initiative Author: Focus: surveysDirectory data/1-data/ contains files created by NODC. The original Excel files were exported to comma-separated version (CSV) format. One file was made for each sheet. The filename is the original file suffixed with the sheet name, and all blanks are replaced by underscores "_". These files are:The data are self-described in the column headers.
Hawaii Coral Reef Initiative
To better understand the nitrogen source for the algal blooms and to assess the urchin and algae species and coverage in the Kahekili HFMA. A high ratio of N15 is thought to indicate a source from a well, a low ratio a source from runoff, perhaps from excess fertilizer.
Person who carried out this activity:
quality control completed
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