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1 to 10 of 12 Results
Aug 16, 2022 - Department of Integrative Biology
Nolan, Kathleen P.; Loeza-Quintana, Tzitziki; Little, Hannah A.; McLeod, Joshcka; Ranger, Benjamin; Borque, Danielle A.; Hanner, Robert H., 2022, "Detection of brook trout in spatiotemporally separate locations using validated eDNA technology",, Borealis, V1, UNF:6:RCzN/v3UYMk8vXxUG6nBgg== [fileUNF]
This data is the result of targeted brook trout (Salvelinus fontinalis) detection from two creeks in Southwestern Ontario: Hanlon Creek in Guelph ON, and 12-Mile Creek near Pelham ON. The purpose of this data was to determine whether or not brook trout were occupying the two cree...
Aug 11, 2022 - Department of Integrative Biology
Nolan, Kathleen P.; Rogers, Steven; Hanner, Robert H., 2022, "Assessment of fish and vertebrate communities in Fairy Lake, Acton ON through metabarcoding of 12S and COI markers in August 2021",, Borealis, V1, UNF:6:zdmwAkUyQNIEE/Vv5kalPw== [fileUNF]
This dataset contains the results of metabarcoding environmental DNA (eDNA) collected on August 3rd 2021 from 9 sites around Fairy Lake in Acton Ontario. The eDNA was collected by filtering between 1-5 L water through 1 um or 5 um cellulose filters. The eDNA was then extracted an...
Feb 14, 2022 - Department of Integrative Biology
Hager, Heather A.; Gailis, Maija; Newman, Jonathan A., 2022, "Allelopathic effects of Epichloë fungal endophytes: experiment and meta-analysis",, Borealis, V1, UNF:6:tIL04cSgLVH6HoFgYaEzOw== [fileUNF]
Host-specific Epichloë spp. are endophytic fungal symbionts of pooid grasses that produce herbivore-deterring alkaloids and alter the grass host’s metabolite and protein profiles. Early observations suggested that Epichloë may have negative allelopathic effects on neighbouring pl...
May 11, 2021 - Department of Integrative Biology
Hager, Heather A.; Roloson, Jennifer; Shukla, Kruti; Yurkonis, Kathryn; Newman, Jonathan A., 2021, "Effects of nutrient addition on endophyte-associated grass invasion in a long-term, old-field community experiment",, Borealis, V1, UNF:6:YUxhfvBHQFBo5s8QYgOIpw== [fileUNF]
Strictly vertically transmitted (hereditary) Epichloë spp. fungal endophytes are symbionts with cool-season pooid host grasses. Such endophytes may increase host invasiveness in the non-native, introduced ranges. However, the costs and benefits for the host can vary with the abio...
Nov 16, 2020 - Department of Integrative Biology
Young, Robert G.; Milián-García, Yoamel; Hanner, Robert H.; Yu, Jaeju; Bullas-Appleton, Erin, 2020, "Biosurveillance for invasive insect pest species using an environmental DNA metabarcoding approach and a high salt trap collection fluid",, Borealis, V1, UNF:6:tcfqpPIWqNz3Hre2XcxaxQ== [fileUNF]
Amplification of environmental DNA from a saturated salt solution, trap fluid allows for the retention of trap specimens for downstream morphological identifications. In addition, a saturated salt solution to preserve specimens in traps addresses issues with the high evaporation...
Jun 8, 2020 - Department of Integrative Biology
Oke, Tobi A.; Hager, Heather A., 2020, "Plant community dynamics and carbon sequestration in Sphagnum-dominated peatlands in the era of global change",, Borealis, V1, UNF:6:eD0y6SNgsvRZ2yQmnCf29g== [fileUNF]
Hydroclimatic shift and anthropogenic-driven nitrogen deposition are major outcomes of global change that could compromise the functioning of many peatlands as a carbon sink. For Sphagnum-dominated peatlands, an emerging hypothesis is that the change could be triggered by shifts...
Mar 26, 2020 - Department of Integrative Biology
Hager, Heather A.; Ryan, Geraldine D.; Newman, Jonathan A., 2020, "Effects of elevated CO2 on competiton between native and invasive grasses",, Borealis, V1, UNF:6:0/UqcZaHvMOg2fYbTphnxQ== [fileUNF]
We tested competitive outcomes for four native and four invasive perennial C3 and C4 grasses under ambient (390 ppm) and elevated (700 or 1000 ppm) CO2 concentrations in a closed-chamber greenhouse experiment with non-limiting water and nutrients, predicting that elevated CO2 wou...
Feb 8, 2018 - Department of Integrative Biology
Minigan, Jordan N.; Hager, Heather A.; Peregrine, Andrew S.; Newman, Jonathan A., 2018, "Current and potential future distribution of the American dog tick (Dermacentor variabilis, Say) in North America",, Borealis, V1, UNF:6:Z5X1NA5YsVvoe0ZfxrAMBw== [fileUNF]
We developed a species distribution model for the American dog tick (Dermacentor variabilis) using Maxent software, with the purpose of estimating the tick’s potential distribution under climate change. To develop the model, we used environmental data from 10 climate models, four...
Feb 6, 2018 - Department of Integrative Biology
Hager, Heather A.; Newman, Jonathan A., 2018, "Methodology I: Detecting and projecting grassland change: from plots to landscape",, Borealis, V3
We conducted a systematic review of the scientific experimental methods used to study climate change effects in grasslands. The data do not concern the reported impacts themselves, but rather how the studies were conducted. We were interested in: what methods were used, what trea...
Oct 18, 2017 - Department of Integrative Biology
Oke, Tobi A.; Hager, Heather A., 2017, "Assessing environmental attributes and effects of climate change on Sphagnum peatland distributions in North America using single- and multi-species models",, Borealis, V1, UNF:6:V1M6NUT6hjfYPSJ50nmJmA== [fileUNF]
The data archived here are (1) raw climate data used for current and future global climate projections using the Hadley Centre Global Environmental Model (HadGEM2-ES), the NASA Goddard Institute for Space Studies model (GISS-E2-R), and the Beijing Climate Center Climate System Mo...
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