  {"id":173,"date":"2023-03-14T12:36:54","date_gmt":"2023-03-14T16:36:54","guid":{"rendered":"https:\/\/www.yorku.ca\/science\/lab\/rquinlandev\/?page_id=173"},"modified":"2023-04-11T10:54:16","modified_gmt":"2023-04-11T14:54:16","slug":"research","status":"publish","type":"page","link":"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/research\/","title":{"rendered":"Research"},"content":{"rendered":"\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Aquatic Ecology, Limnology,&nbsp;Paleolimnology<\/strong><\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image004.jpg\" alt=\"\" class=\"wp-image-190\" width=\"359\" height=\"361\" srcset=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image004.jpg 186w, https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image004-150x150.jpg 150w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<p>Freshwater aquatic ecosystems are currently affected by multiple anthropogenic stressors. These stressors include recent climate change, acid rain, contaminant pollution, nutrient enrichment (eutrophication), land-use change (vegetation clearance for agriculture, urbanization&nbsp;etc), reservoir\/impoundment construction and exotic species invasions, to name a few.&nbsp; Environmental monitoring programs of aquatic systems that are based on an ecological perspective (simultaneous monitoring of biological, chemical and physical variables) are relatively new as early programs were designed to monitor the impacts of acidic deposition in the 1970s.&nbsp; As a consequence, long-term ecological datasets (&gt;20&nbsp;yrs&nbsp;data) are extremely rare and located primarily in geographic regions downwind of major acidic deposition (north-eastern USA and central Ontario region of Canada).&nbsp; This lack of long-term ecological data presents difficulties in answering some basic questions that are important to consider when assessing the ecological impacts of stressors: What are \u2018natural\u2019 or pre-disturbance conditions of the ecosystem?&nbsp; What is the natural variability of the system?&nbsp; It is possible to obtain this long-term data through proxy methods, such as through examination of&nbsp;paleoecological&nbsp;data archived in lake and pond sediments.&nbsp; Sediments are natural archives of ecological data, with a host of physical, chemical, and biological variables providing insights into past aquatic ecosystem conditions.<\/p>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Recent publications (last 2 years)<\/strong> <\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Scott RW, Sharma P, Wang X, <strong>Quinlan R<\/strong>. 2022. The limnological response of Arctic deltaic lakes to alteration in flood regime. <em>Inland Waters<\/em> 12:341-353.<\/p>\n\n\n\n<p>Luszczek CE, Medeiros AS, Wolfe BB, <strong>Quinlan R<\/strong>. 2021. Effects of recent climate and environmental changes on the ecology of a boreal forest lake in Manitoba, Canada. Journal of Paleolimnology 66: 15-27.<\/p>\n\n\n\n<p>Medeiros AS, Milo\u0161evi\u0107 \u0110, Francis DR, Maddison E, Woodruff S, Long A, Walker IR, Hamerlik L, <strong>Quinlan R<\/strong>, Langdon P, Brodersen KP, Axford Y. 2021. Arctic chironomids of the northwest North Atlantic reflect environmental and biogeographic gradients. Journal of Biogeography 48: 511-525.<\/p>\n\n\n\n<p>Shuvo A, O'Reilly CM, Blagrave K, Ewins C, Filazzola A, Gray DK, Mahdiyan O, Moslenko L, <strong>Quinlan R<\/strong>, Sharma S. 2021. Total phosphorus and climate are equally important predictors of water quality in lakes. Aquatic Sciences 83: 16<\/p>\n\n\n\n<p><strong>Quinlan R<\/strong>*, Filazzola A*, Mahdiyan O, Shuvo A, Blagrave K, Ewins C, Moslenko L, Gray DK, O'Reilly CM, Sharma S. 2021. Relationships of total phosphorus and chlorophyll in lakes worldwide. Limnology and Oceanography 66: 392-404. (* co-primary 1st authors)<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Past graduate students in Dr. Quinlan\u2019s lab (<\/strong><em><strong>*Dr Quinlan currently on leave, not accepting new students<\/strong><\/em><strong>)<\/strong><\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image020.jpg\" alt=\"\" class=\"wp-image-193\" width=\"359\" height=\"306\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Raymond\u00a0Biastock, PhD Candidate<\/strong> <strong>(<em>On leave)<\/em><\/strong><\/h2>\n\n\n\n<p>The examination of patterns in the&nbsp;limnological&nbsp;and biological differences of Arctic lakes and ponds as a function of their position in the landscape.<\/p>\n\n\n\n<p>Using a hierarchical classification of Arctic aquatic systems to select study areas, I will sample the physical, chemical, and biological traits of lakes and ponds.&nbsp; I aim to determine the relative influences of local, watershed-specific factors vs. regional, climate-mediated factors on aquatic ecosystem functioning and structure. With estimates of the relative importance of regional-scale factors on freshwater ecosystems, it would be possible to estimate the relative effects of predicted future climate warming on Arctic lake, pond and river ecosystems.<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image008.jpg\" alt=\"\" class=\"wp-image-194\" width=\"359\" height=\"443\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Christopher\u00a0Luszczek, PhD Candidate (<em>On leave)<\/em><\/strong><\/h2>\n\n\n\n<p>An assessment of the composition, structure and variation of benthic communities in Canadian Arctic lakes and ponds<\/p>\n\n\n\n<p>I will examine the variables responsible for structuring aquatic macroinvertebrate communities&nbsp;Across&nbsp;mainland Nunavut.&nbsp; I will determine whether community composition primarily represents habitat-scale variables (such as littoral substrate) or landscape-scale variables (such as climate, surrounding watershed vegetation and geology). As such, these research findings have important implications for rapid ecosystem assessment and creating&nbsp;biomonitoring&nbsp;programs. This&nbsp;research&nbsp;will hopefully provide valuable information for better understanding ecosystem functioning in these sparsely studied Arctic systems<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" width=\"365\" height=\"273\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image001.jpg\" alt=\"\" class=\"wp-image-195\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Ryan Scott, PhD 2021<\/strong><\/h2>\n\n\n\n<p>The ecology and biogeography of benthic macroinvertebrates in the Mackenzie River Delta, Northwest Territories<\/p>\n\n\n\n<p>My thesis aimed to examine invertebrate community ecology and food web structure in small lakes and ponds in the Mackenzie River Delta in the Northwest Territories, focusing on the response of aquatic communities to gradients in floodplain connectivity. My research will shed light on ecosystem structure and function in Arctic floodplain environments, and be of value in monitoring and predicting climate-driven changes in sensitive northern aquatic ecosystems.<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Cait Carew, MSc 2020<\/strong><\/h2>\n\n\n\n<p>Chironomid autoecology of the past and present, and a causal analysis of recreational shoreline developments on hypolimnetic oxygen in Algonquin Park lakes.<\/p>\n\n\n\n<p>Recreational cottages continue to be leased within Algonquin Park despite inadequate assessments of cottage impacts on lake water quality and ecosystem integrity. Cottages can increase phosphorus export to lakes, resulting in increased productivity and declines in hypolimnetic oxygen. Algonquin Park lakes contain dense populations of lake trout (Salvelinus namaycush) and brook trout (Salvelinus fontinalis), which are sensitive to declining hypolimnetic oxygen. Dipteran subfossil remains were used to calibrate a VWHO inference model (RMSEP = 1.7 mg O2 L-1) to determine baseline VWHO (historical, pre-European settlement, &lt; ca. 1850 CE) and assess VWHO change since then using a top-bottom paleolimnological approach. Despite increased anthropogenic activity in the park, inferred VWHO did not change predictably since circa 1850. We did not detect a significant effect of cottages on VWHO. However, regional declines in phosphorus export may be responsible for muting the effects of anthropogenic phosphorus inputs on VWHO in Algonquin Park lakes.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image003.png\" alt=\"\" class=\"wp-image-196\" width=\"359\" height=\"348\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Dmitri\u00a0Perlov, MSc 2017<\/strong><\/h2>\n\n\n\n<p>Inferring past&nbsp;deepwater&nbsp;oxygen in the central basin of Lake Erie using a&nbsp;paleolimnological&nbsp;approach<\/p>\n\n\n\n<p>My thesis used a\u00a0paleolimnological\u00a0approach, using subfossil\u00a0Chironomidae\u00a0remains preserved in Lake Erie sediments, to reconstruct past\u00a0hypolimnetic\u00a0oxygen conditions.\u00a0\u00a0Climate change and nutrient loading have had substantive effects on Lake Erie\u2019s productivity and\u00a0deepwater(hypolimnetic) oxygen concentrations. To date, numerous\u00a0limnological\u00a0papers have been published on the subject of\u00a0hypolimnetic\u00a0oxygen dynamics in the central basin of Lake Erie. However, such studies provide information on\u00a0hypolimnetic\u00a0oxygen during a period of monitoring that comprises approximately five decades of data, while a\u00a0paleolimnological\u00a0approach may generate centuries of data, providing background or baseline environmental data which can be used to better understand Lake Erie\u2019s ecosystem dynamics.\u00a0<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image010.jpg\" alt=\"\" class=\"wp-image-234\" width=\"359\" height=\"380\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Andrew Medeiros, PhD 2011<\/strong><\/h2>\n\n\n\n<p>A biogeographic examination of climate driven impacts to Arctic aquatic systems<\/p>\n\n\n\n<p><a href=\"http:\/\/www.inuk.ca\/\">http:\/\/www.inuk.ca<\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image014.jpg\" alt=\"\" class=\"wp-image-235\" width=\"358\" height=\"360\" srcset=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image014.jpg 166w, https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image014-150x150.jpg 150w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Kristin&nbsp;Wazbinski, MSc 2011<\/strong><\/h2>\n\n\n\n<p>Paleolimnological&nbsp;analysis of nutrient enrichment for criteria development in New Jersey and New York lakes<\/p>\n\n\n\n<p>Kristin examined surficial intervals of sediment cores from shallow,&nbsp;polymictic&nbsp;lakes in the New Jersey and New York states in USA, to determine which&nbsp;limnological&nbsp;variables were influencing ecological gradients in subfossil Dipteran (Ceratopogonidae,&nbsp;Chironomidae,&nbsp;Chaoboridae,&nbsp;Simuliidae) and&nbsp;Ephemeropteran&nbsp;assemblages.<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image018.jpg\" alt=\"\" class=\"wp-image-238\" width=\"359\" height=\"271\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Armin&nbsp;Namayandeh, MSc 2009<\/strong><\/h2>\n\n\n\n<p>Diversity and distribution of benthic invertebrates in lakes and ponds of Nunavut, Canada<\/p>\n\n\n\n<p>Armin examined patterns in benthic macroinvertebrates in a suite of lakes and ponds in the vicinity of Rankin Inlet and Iqaluit, Nunavut.&nbsp; Shoreline samples of benthic invertebrates were collected using 500-\u00b5m mesh D-nets, and community composition of these samples was analyzed using multivariate statistics (e.g. Redundancy Analysis, RDA) to determine which environmental gradients are primarily responsible for structuring macroinvertebrate communities in these water bodies.<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image012.jpg\" alt=\"\" class=\"wp-image-240\" width=\"359\" height=\"361\" srcset=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image012.jpg 167w, https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image012-150x150.jpg 150w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Danielle&nbsp;Rod\u00e9, MSc 2009<\/strong><\/h2>\n\n\n\n<p>A&nbsp;paleolimnological&nbsp;approach to assessing the sustainability of the Lake Simcoe cold-water fishery based on historic habitat quality and fish abundances<\/p>\n\n\n\n<p>Danielle used a&nbsp;paleolimnological&nbsp;approach to determine how&nbsp;hypolimnetic&nbsp;dissolved oxygen concentrations and fish abundances have changed in Lake Simcoe since European settlement.&nbsp; Historic&nbsp;hypolimnetic&nbsp;oxygen levels were quantified using a&nbsp;chironomid-based inference model. Fish abundances were reconstructed using subfossil&nbsp;<em>Daphnia<\/em>&nbsp;ephippia&nbsp;as indicators of past&nbsp;planktivorous&nbsp;predation pressure (as a proxy for fish abundance).&nbsp; The purpose of this research is to determine if current rehabilitation goals to remediate Lake Simcoe water quality represent natural historic conditions of the lake system.<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.3%\">\n<figure class=\"wp-block-image size-full is-resized img-thumbnail rounded-0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/wp-content\/uploads\/sites\/771\/2023\/03\/image016.jpg\" alt=\"\" class=\"wp-image-241\" width=\"359\" height=\"442\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.6%\">\n<h2 class=\"wp-block-heading\"><strong>Fatemeh&nbsp;Panahi&nbsp;Dorcheh, MSc 2007<\/strong><\/h2>\n\n\n\n<p>Inferring past fish abundance from Daphnia&nbsp;ephippia&nbsp;size in south-central Ontario lakes<\/p>\n\n\n\n<p>Fatemeh&nbsp;processed surficial intervals of sediment cores from 50 lakes located in the Sudbury and&nbsp;Muskoka-Haliburton regions of south-central Ontario.&nbsp; An inference model was developed using the dorsal length of subfossil&nbsp;<em>Daphnia<\/em>&nbsp;ephippia&nbsp;as a proxy indicator of fish abundance (expressed as&nbsp;planktivorous&nbsp;fish CPUE).<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>Dmitri&nbsp;Perlov<\/strong>&nbsp;\u2013 Honours thesis, BIOL 4000 8.0, April 2015<\/p>\n\n\n\n<p>A&nbsp;paleolimnological&nbsp;study examining&nbsp;chironomid&nbsp;assemblages in Rankin Inlet, Nunavut<\/p>\n\n\n\n<p><strong>Cameron Christensen<\/strong> \u2013 Honours thesis, BIOL 4000 8.0, April 2013<\/p>\n\n\n\n<p>Sampling effort of benthos in subarctic Manitoba lakes: do three lake samples more accurately represent benthic invertebrate community composition than one sample?<\/p>\n\n\n\n<p><strong>Sarah Payne<\/strong> \u2013 Honours thesis, BIOL 4000 8.0, April 2010<\/p>\n\n\n\n<p>Effects of a 2007 pesticide influx on the macroinvertebrate community of Spencer Creek, Dundas, ON from 2008-2009<\/p>\n\n\n\n<p><strong>Luana&nbsp;Sciullo<\/strong>&nbsp;\u2013 Honours thesis, BIOL 4000 8.0, April 2007<\/p>\n\n\n\n<p>Reconstructing the abundance and predation intensity of&nbsp;planktivorous&nbsp;fish in Leech Lake, Ontario, using historical changes in Daphnia&nbsp;ephippia&nbsp;as a&nbsp;paleoindicator<\/p>\n\n\n\n<p><strong>Christine Gibson <\/strong>\u2013 Honours thesis, BIOL 4000 8.0, August 2006<\/p>\n\n\n\n<p>Examining the relationship between&nbsp;chironomid&nbsp;communities and environmental gradients of&nbsp;Wapusk&nbsp;National Park, northern Manitoba<\/p>\n\n\n\n<p><strong>Jan&nbsp;Moryk<\/strong>&nbsp;\u2013 Honours thesis, BIOL 4000 8.0, August 2006<\/p>\n\n\n\n<p>Changes in zooplankton communities in Lake&nbsp;Opeongo, Algonquin Park, in response to changes in summer water temperatures<\/p>\n\n\n\n<p><strong>Mark Townsend<\/strong> \u2013 Honours thesis, BIOL 4000 3.0, December 2005<\/p>\n\n\n\n<p>A comparison of different methodologies designed to assess ecological recovery in freshwater ecosystems<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Aquatic Ecology, Limnology,&nbsp;Paleolimnology Freshwater aquatic ecosystems are currently affected by multiple anthropogenic stressors. These stressors include recent climate change, acid rain, contaminant pollution, nutrient enrichment (eutrophication), land-use change (vegetation clearance for agriculture, urbanization&nbsp;etc), reservoir\/impoundment construction and exotic species invasions, to name a few.&nbsp; Environmental monitoring programs of aquatic systems that are based on an ecological [&hellip;]<\/p>\n","protected":false},"author":45,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","ngg_post_thumbnail":0,"footnotes":""},"tags":[],"class_list":["post-173","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Research - Quinlan Lab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.yorku.ca\/science\/lab\/rquinlan\/research\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research - Quinlan Lab\" \/>\n<meta property=\"og:description\" content=\"Aquatic Ecology, Limnology,&nbsp;Paleolimnology Freshwater aquatic ecosystems are currently affected by multiple anthropogenic stressors. 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