Freshwater diatom assemblages from seabird-inhabited ponds in Hudson Strait, sub-Arctic Canada

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Duda, Matthew; Hargan, Kathryn, E.; Michelutti, Neal; Smol, John, 2020, "Freshwater diatom assemblages from seabird-inhabited ponds in Hudson Strait, sub-Arctic Canada", https://doi.org/10.5683/SP2/AAIP8A, Borealis, V1

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Description	Nutrients and contaminants in wastes from seabird colonies can dramatically alter surrounding vegetation, water chemistry, and aquatic communities. Here we examine the effects of nesting Common Eiders (Somateria mollissima) on diatom assemblages from 21 ponds on islands in Hudson Strait, sub-Arctic Canada (63°12'N, 76°52'W). A total of 116 diatom taxa were identified, with assemblages dominated by benthic Diatoma and Nitzschia species typical of freshwater ponds influenced by seabird colonies. Canonical correspondence analysis (CCA), with forward selection and Monte Carlo permutation tests (999 repetitions), identified parameters correlated to seabird inputs, including specific conductivity, Al, and Cd concentrations, as the variables most closely linked to diatom species composition. A diatom-based conductivity inference model was developed using a weighted average with partial least squares (WA-PLS) model (r2boot = 0.723; RMSEP = 0.544) to describe the conductivity optima of the most commonly encountered taxa. Although we found increased numbers of eutrophilous taxa in highly eider-influenced ponds, the diatom assemblages were primarily influenced by conductivity, which was primarily linked to ocean spray, and statistical tests did not identify significant differences between the taxa of high and low eider-influence sites (ANOSIM; p = 0.429; r = 0.009). This calibration set exhibits the potential use of diatoms as indicators of seabird abundance and density across breeding sites; however, in coastal ponds, ocean spray (and hence conductivity) appears to be a confounding factor affecting diatom assemblages.
Subject	Earth and Environmental Sciences
Keyword	Common elders, Conductivity, Environmental reconstruction, Ocean spray, Paleolimnology, Training set
Related Publication	Matthew P. Duda, Kathryn E. Hargan, Neal Michelutti, John P. Smol. 2020. Freshwater diatom assemblages from seabird-inhabited ponds in Hudson Strait, sub-Arctic Canada.
License/Data Use Agreement	CC BY-NC 4.0

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	2019PolarBiology-Figure1.png PNG Image - 2.7 MB Published Feb 21, 2020 16 Downloads MD5: f753143fd2d847a6e8feedff32432894 Distribution of study site locations Figures	Preview "2019PolarBiology-Figure1.png" Access File File Access Public Download Options PNG Image Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options View Image
	2019PolarBiology-Figure2.png PNG Image - 1.7 MB Published Feb 21, 2020 17 Downloads MD5: 80c84b84db28539c22ebfeecf5bdc153 Relative abundances of dominant diatom taxa (> 10%) in the 21-ponds from Hudson Strait Figures	Preview "2019PolarBiology-Figure2.png" Access File File Access Public Download Options PNG Image Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options View Image
	2019PolarBiology-Figure3.png PNG Image - 1.8 MB Published Feb 21, 2020 17 Downloads MD5: 8ced828998ca34c21e8abb4738f0a1bc Ordination plots of the environmental variables and diatom species data from the 21-pond data set Figures	Preview "2019PolarBiology-Figure3.png" Access File File Access Public Download Options PNG Image Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options View Image
	2019PolarBiology-Figure4.png PNG Image - 439.2 KB Published Feb 21, 2020 15 Downloads MD5: 522a396045eb6c4039f15bef0c395192 Relationship between diatom-inferred conductivity using WA-PLS 2nd component model and observed 491 conductivity, log(x+1) transformed Figures	Preview "2019PolarBiology-Figure4.png" Access File File Access Public Download Options PNG Image Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options View Image
	2019PolarBiology-Table1.pdf Adobe PDF - 128.0 KB Published Feb 21, 2020 4 Downloads MD5: 06e358e7fafe72ef42dfec83ae759751 Summary of key ornithogenic water variables identified in Duda et al. (2018). Total filtered nitrogen is expressed as TN-F; total unfiltered phosphorus is expressed as TP-UF Tables	Preview "2019PolarBiology-Table1.pdf" Access File File Access Public Download Options Adobe PDF Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options Read Document
	2019PolarBiology-Table2.pdf Adobe PDF - 203.0 KB Published Feb 21, 2020 2 Downloads MD5: db00c1cf52b3cdd337100c431c0fd5f2 Diatom taxa with ≥ 2% relative abundance in at least one eider-influenced pond, along with corresponding pond occurrences (n), maximum abundance (%), and conductivity optima Tables	Preview "2019PolarBiology-Table2.pdf" Access File File Access Public Download Options Adobe PDF Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options Read Document
	2019PolarBiology-Table3.pdf Adobe PDF - 113.6 KB Published Feb 21, 2020 5 Downloads MD5: 69d2de64d7059638a029a8d4612cc729 Comparison of the weighted average (WA), tolerance weighted average (WAT) both inversed (-Inv) and classical (-Cla), partial least squares and weighted average partial least squares (WA-PLS) model strength. The selected model is highlighted Tables	Preview "2019PolarBiology-Table3.pdf" Access File File Access Public Download Options Adobe PDF Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options Read Document
	2019PolarBiology-Table4.pdf Adobe PDF - 140.9 KB Published Feb 21, 2020 2 Downloads MD5: 93f21f831d761a0449ab6335f5b835e1 Conductivity optima of the ten most common taxa from this study and comparisons to similar regions Tables	Preview "2019PolarBiology-Table4.pdf" Access File File Access Public Download Options Adobe PDF Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options Read Document
	2019PolarBiologyData.csv Comma Separated Values - 46.7 KB Published Feb 21, 2020 23 Downloads MD5: 2ab7f0d1aa1dbca1639bb2211034cc43 Data - CSV Data	Access File File Access Public Download Options Comma Separated Values Download Metadata Data File Citation EndNote XML RIS BibTeX
	Duda-et-al-2019PolarBiology.pdf Adobe PDF - 265.3 KB Published Feb 21, 2020 4 Downloads MD5: eac33dba1571dbb511139943c9d60d2d Article Documentation	Preview "Duda-et-al-2019PolarBiology.pdf" Access File File Access Public Download Options Adobe PDF Download Metadata Data File Citation EndNote XML RIS BibTeX Explore Options Read Document

Citation Metadata

Persistent Identifier	doi:10.5683/SP2/AAIP8A
Publication Date	2020-02-21
Title	Freshwater diatom assemblages from seabird-inhabited ponds in Hudson Strait, sub-Arctic Canada
Author	Duda, Matthew (Queen's University. Paleoecological Environmental Assessment and Research Lab (PEARL), Department of Biology) - ORCID: 0000-0002-9193-4137 Hargan, Kathryn, E. (University of Ottawa. Department of Biology) - ORCID: 0000-0002-2232-3711 Michelutti, Neal (Queen's University. Paleoecological Environmental Assessment and Research Lab (PEARL), Department of Biology) - ORCID: 0000-0002-5857-4811 Smol, John (Queen's University. Paleoecological Environmental Assessment and Research Lab (PEARL), Department of Biology) - ORCID: 0000-0002-2499-6696
Point of Contact	Use email button above to contact. Duda, Matthew (Queen's University. Paleoecological Environmental Assessment and Research Lab (PEARL), Department of Biology)
Description	Nutrients and contaminants in wastes from seabird colonies can dramatically alter surrounding vegetation, water chemistry, and aquatic communities. Here we examine the effects of nesting Common Eiders (Somateria mollissima) on diatom assemblages from 21 ponds on islands in Hudson Strait, sub-Arctic Canada (63°12'N, 76°52'W). A total of 116 diatom taxa were identified, with assemblages dominated by benthic Diatoma and Nitzschia species typical of freshwater ponds influenced by seabird colonies. Canonical correspondence analysis (CCA), with forward selection and Monte Carlo permutation tests (999 repetitions), identified parameters correlated to seabird inputs, including specific conductivity, Al, and Cd concentrations, as the variables most closely linked to diatom species composition. A diatom-based conductivity inference model was developed using a weighted average with partial least squares (WA-PLS) model (r2boot = 0.723; RMSEP = 0.544) to describe the conductivity optima of the most commonly encountered taxa. Although we found increased numbers of eutrophilous taxa in highly eider-influenced ponds, the diatom assemblages were primarily influenced by conductivity, which was primarily linked to ocean spray, and statistical tests did not identify significant differences between the taxa of high and low eider-influence sites (ANOSIM; p = 0.429; r = 0.009). This calibration set exhibits the potential use of diatoms as indicators of seabird abundance and density across breeding sites; however, in coastal ponds, ocean spray (and hence conductivity) appears to be a confounding factor affecting diatom assemblages.
Subject	Earth and Environmental Sciences
Keyword	Common elders Conductivity Environmental reconstruction Ocean spray Paleolimnology Training set
Related Publication	Matthew P. Duda, Kathryn E. Hargan, Neal Michelutti, John P. Smol. 2020. Freshwater diatom assemblages from seabird-inhabited ponds in Hudson Strait, sub-Arctic Canada.
Language	English
Producer	Duda, Matthew (Queen's University. Paleoecological Environmental Assessment and Research Lab (PEARL), Department of Biology) Hargan, Kathryn E. (University of Ottawa. Department of Biology) Michelutti, Neal (Queen's University. Paleoecological Environmental Assessment and Research Lab (PEARL), Department of Biology) Smol, John (Queen's University. Paleoecological Environmental Assessment and Research Lab (PEARL), Department of Biology)
Production Date	2019
Production Location	Queen's University, Kingston, Ontario, Canada
Distributor	Data Services (Queen's University Library) http://library.queensu.ca/search/data-statistics
Depositor	Duda, Matthew
Deposit Date	2020-02-14
Date of Collection	Start Date: 2014-07-25 ; End Date: 2014-07-30 Start Date: 2015-07-17 ; End Date: 2015-07-25

Geospatial Metadata

Geographic Coverage	Canada, Hudson Strait, sub-Arctic Canada
Geographic Bounding Box	63.2 -76.86

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