1096 record(s) found with the tag "biology" (multi-year projects are grouped):
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Northern Native Seed Development Field Trials
Principal Investigator: Trimble, Annika EV
Licenced Year(s): 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2007 2006
Summary: The objective of this sub-project are: 1) to continue assessing the performance of native plants which were seeded and transplanted into field plots in 2006 and 2007; and, 2) to establish two new field plots at the Inuvik golf course with the same intent of monitoring native seed performance in a disturbed habitat. The research team intend to collect data regarding winter survival, seedling e...


Identification of hybrid copepods between C. finmarchicus and C. glacialis
Principal Investigator: Maps, Frederic FM
Licenced Year(s): 2018
Summary: Project aims to identify hybrid between C. finmarchicus and C. glacialis and to estimate the geographical distribution of the hybrids. Sample will be collected from a ring net, mesh size 200 micrometer (µm). The net will be deployed from the back of the boat. It will be towed vertically at a speed of 30 m/min. The samples collected will be sieve through 200 µm stainless steel mesh to separate w...


Bryophytes of southwest Northwest Territories waterfall areas
Principal Investigator: Doubt, Jennifer
Licenced Year(s): 2018
Summary: The objective is to increase knowledge of bryophytes (e.g., mosses, liverworts) and (incidentally, where possible) lichens in the Northwest Territories. Waterfall areas can offer a wide diversity of microhabitats (featuring a large variety of substrates, moisture and light levels, and exposures) within a relatively small area. Bryophyte species and communities are often associated with specific...


Horn River Creel Survey and Stock Study
Principal Investigator: Low, George
Licenced Year(s): 2018 2017
Summary: It is the objective of this project to collect information on the walleye population from the Horn River which can be used for managing the fishery and possibly changing the regulations. In order to reach this objective the following goals have been set out: 1. to collect population structure and spawning information by setting gill nets of varying mesh size and biologically sampling a portion of...


Sanguez Lake Fish Down Study
Principal Investigator: Low, George
Licenced Year(s): 2018 2017
Summary: Objectives of this research are to: 1. establish a population estimate of walleye in Sanguez Lake; 2. establish an additional estimate of fish mercury concentrations in walleye and pike. In 2013, mean mercury concentration in walleye was 0.71 mg/kg wet weight, and in pike was 1.09 mg/kg wet weight; 3. reduce the number of walleye and pike adults such that predation on walleye recruits decreases...


Seal Diet and Condition in the ISR
Principal Investigator: Insley, Stephen J
Licenced Year(s): 2018
Summary: The goal of this project is to design and maintain a long-term, locally-based, diet and condition data collection program focused on ringed seals (Pusa hispida) and bearded seals (Erignathus barbatus) in the Darnley Bay and Ulukhaktok areas of the Inuvialuit Settlement Region, NT. To accomplish the objectives, the research team have designed a program to work with the local communities of Paula...


A Program to Evaluate Changing Northern Lake Ice Regimes
Principal Investigator: Prowse, Terry D
Licenced Year(s): 2018 2017 2016
Summary: The objective of this project is to complete on ice snow depth, ice thickness and composition survey along with collection under ice core water quality and biological information. Sample locations from previous years are located using a handheld Global Positioning System (GPS). On ice snow depth is measured using a tape measure. An ice auger is used to penetrate the ice cover and evaluate if w...


Benthic Macroinvertebrate Monitoring (Slave and Hay Rivers)
Principal Investigator: Levasseur, Annie
Licenced Year(s): 2018 2017
Summary: The objectives of this project is to establish a baseline for benthic invertebrates’ community structure and composition in the transboundary reaches of the Slave and Hay Rivers and to track their status and conditions over time to assess ecosystem health and provide an early warning of change or stress in the environment. The monitoring plan involves selecting and sampling several 500m long re...


Understanding the potential impact of metals in aquatic systems.
Principal Investigator: McGeer, Jim
Licenced Year(s): 2017
Summary: The objectives of this research are to evaluate the relative sensitivity of northern aquatic invertebrates and northern ecosystems in comparison to southern species and environments. The focus of comparisons is in relation to the toxicity of metals. Three types of sample collections are proposed. These would be done at selected sites along the Ingraham Trail (highway 4) east of Yellowknife. The...


Genetic assessment of Inconnu (Stenodus leucichthys) in Great Slave Lake, Northwest Territories
Principal Investigator: Tallman, Ross F
Licenced Year(s): 2017
Summary: The objective is to use Inconnu genetic samples to differentiate the inconnu populations residing in Great Slave Lake. If inconnu are philopatric (return to their natal spawning grounds) than each river should consist of a genetically distinct population. Methods include using gill nets to capture between 30 to 50 Inconnu per location (along Buffalo River, Buffalo Lake and Taltson River). Nets...


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