A5055544954- Environmental DNA in Biodiversity Studies
- Genetic diversity and population structure
- Marine Biology and Ecology Research
- Aquatic Invertebrate Ecology and Behavior
- Identification and Quantification in Food
- Marine and coastal plant biology
- Fish Ecology and Management Studies
- Species Distribution and Climate Change
- Spider Taxonomy and Behavior Studies
- Lepidoptera: Biology and Taxonomy
- Cephalopods and Marine Biology
- Orthoptera Research and Taxonomy
- Genomics and Phylogenetic Studies
- Invertebrate Taxonomy and Ecology
- Genetic and phenotypic traits in livestock
- Coral and Marine Ecosystems Studies
- Marine and fisheries research
- Coleoptera Taxonomy and Distribution
- Evolution and Paleontology Studies
- Marine Bivalve and Aquaculture Studies
- Leech Biology and Applications
- Mollusks and Parasites Studies
- Bryophyte Studies and Records
- Fish Biology and Ecology Studies
- Ichthyology and Marine Biology
University of Aberdeen
2020-2025
University of Toronto
2024-2025
Fisheries and Oceans Canada
2019-2022
Memorial University of Newfoundland
2020-2022
The University of Western Australia
2015-2020
Australian Museum
2018-2020
Western Australian Museum
2018-2020
Genomics (United Kingdom)
2019
University of Guelph
2014-2019
Public Health Agency of Canada
2019
Background Molluscs are the most diverse marine phylum and this high diversity has resulted in considerable taxonomic problems. Because number of species Canadian oceans remains uncertain, there is a need to incorporate molecular methods into identifications. A 648 base pair segment cytochrome c oxidase subunit I gene proven useful for identification discovery many animal lineages. While utility DNA barcoding molluscs been demonstrated other studies, first effort construct barcode registry...
Comprehensive biotic surveys, or 'all taxon biodiversity inventories' (ATBI), have traditionally been limited in scale scope due to the complications surrounding specimen sorting and species identification. To circumvent these issues, several ATBI projects successfully integrated DNA barcoding into their identification procedures witnessed acceleration surveys subsequent increase project scale. The Biodiversity Institute of Ontario partnered with rare Charitable Research Reserve delegates...
Abstract The reliable taxonomic identification of organisms through DNA sequence data requires a well parameterized library curated reference sequences. However, it is estimated that just 15% described animal species are represented in public repositories. To begin to address this deficiency, we provide barcodes for 1,500,003 specimens collected from 23 terrestrial and aquatic ecozones at sites across Canada, nation comprises 7% the planet’s land surface. In total, 14 phyla, 43 classes, 163...
The resiliency of populations and species to environmental change is dependent on the maintenance genetic diversity, as such, quantifying diversity central combating ongoing widespread reductions in biodiversity. With advent next-generation sequencing, several methods now exist for resolving fine-scale population structure, but comparative performance these assignment has rarely been tested. Here, we evaluate sequenced microsatellites a single nucleotide polymorphism (SNP) array resolve...
DNA barcoding has proven an effective tool for species identification in varied groups of marine invertebrates including crustaceans, molluscs, polychaetes and echinoderms. In this study, we further validate its utility by analyzing almost half the 300 Echinodermata known from Canadian waters. COI sequences 999 specimens were assigned to 145 BINs. most cases, discrimination was straightforward due large difference (25-fold) between mean intra- (0.48%) inter- (12.0%) specific divergence. Six...
Predicting how species will respond to future climate change is of central importance in the midst global biodiversity crisis, and recent work has demonstrated utility population genomics for improving these predictions. Here, we suggest a broadening approach include other types genomic variants that play an important role adaptation, like structural (e.g. copy number variants) epigenetic DNA methylation). These data could provide additional power forecasting response, especially weakly...
Reconstructing trait evolution is critically important for elucidating the processes generating biodiversity. However, this work in its infancy non-model clades which we lack a basic understanding of their ecology and biology. Here, compile information about prey preference, chemical acquisition colour pattern dorid nudibranchs (Nudibranchia: Doridoidei) reconstruct ancestral states using multi-gene phylogeny to investigate these key traits. Our analyses show that most recent common ancestor...
Monitoring tools and indicators that incorporate ecological socio-economic aspects of ecosystems can lead to improved management outcomes resource use benefits. Local Indigenous communities in Northern coastal environments, including Nunatsiavut (northern Labrador, Canada), strongly rely on marine resources for food security, social, economic, cultural integrity. Integrating Knowledge Western science through ethical principled collaboration with local stakeholders rights holders is a...
Time calibrated phylogenies are typically reconstructed with fossil information but for soft-bodied marine invertebrates that lack hard parts, a record is lacking. In these cases, biogeographic calibrations or the rates of divergence related taxa often used. Although nudibranch have advanced input molecular data, no study has derived rate this diverse group invertebrates. Here, we use an updated closure date Isthmus Panama (2.8 Ma) to derive first chromodorid nudibranchs using multigene data...
Abstract Characterizing the nature of genetic differentiation among individuals and populations its distribution across genome is increasingly important to inform both conservation management exploited species. Atlantic Halibut (Hippoglossus hippoglossus) an ecologically commercially fish species, yet knowledge population structure genomic diversity in this species remains lacking. Here, we use restriction-site associated DNA sequencing a chromosome-level assembly identify over 86 000 single...
Ensuring connectivity is crucial to protect landscapes but it requires knowledge about how animals use ecosystems throughout the year. However, animal movements remain largely unknown in biodiversity hotspots, even for species that fulfill key ecological roles, as case of hummingbirds Andes. In complex topography mountain slopes, movement these avian pollinators may occur either between habitat patches with asynchronous plant blooms or across are located within same elevation bands along...
Abstract Phylogenetic inference and species delimitation can be challenging in taxonomic groups that have recently radiated where introgression produces conflicting gene trees, especially when has traditionally relied on mitochondrial data color pattern. Chromodoris , a genus of colorful toxic nudibranch the Indo‐Pacific, been shown to extraordinary cryptic diversity mimicry, radiated, ultimately complicating delimitation. In these cases, additional genome‐wide help improve phylogenetic...
Polymorphic species are useful models for investigating the evolutionary processes driving diversification. Such include colonization history as well contemporary selection, gene flow, and genetic drift, which can vary between intraspecific morphs a function of their distinct life histories. The interactive relative influence such on morph differentiation critically informs morph-specific management decisions our understanding incipient speciation. We therefore investigated how geographic...
The genetic underpinnings of incipient speciation, including the genomic mechanisms which contribute to morphological and ecological differentiation reproductive isolation, remain poorly understood. repeated evolution consistently, phenotypically distinct morphs Arctic Charr (Salvelinus alpinus) within Quaternary period offer an ideal model study repeatability at level. Sympatric are found across this species' circumpolar distribution. However, specific driving morph largely unknown despite...
A key component of the global blue economy strategy is sustainable extraction marine resources and conservation environments through networks protected areas (MPAs). Connectivity representativity are essential factors that underlie successful implementation MPA networks, which can safeguard biological diversity ecosystem function, ultimately support by balancing ocean use with conservation. New "big data" omics approaches, including genomics transcriptomics, becoming tools for development...
Abstract Climate change is restructuring biodiversity on multiple scales and there a pressing need to understand the downstream ecological genomic consequences of this change. Recent advancements in field eco‐evolutionary genomics have sought include evolutionary processes forecasting species' responses climate (e.g., offset), but date, much work has focused terrestrial species. Coastal offshore species, fisheries they support, may be even more vulnerable than their counterparts, warranting...
Genetic interactions (i.e. hybridization) between wild and escaped Atlantic salmon Salmo salar from aquaculture operations have been widely documented, yet the ability to incorporate predictions of risk into siting advice has limited. Here we demonstrate a model-based approach assessing these potential genetic using expansion scenario in southern Newfoundland as an example. We use eco-genetic individual-based model (IBSEM) parameterized for populations, with regional environmental data...
Larval development has strong impacts on dispersal potential and gene flow among populations of marine invertebrates. However, Pleistocene glaciations have also played an important role in shaping population structure benthic taxa the Northern Hemisphere, even those with planktotrophic larvae. Each glacial advance tended to fragment species distributions, often separating for long periods setting stage their differentiation. This study examines patterns sequence divergence mitochondrial...
The post-glacial colonization of Gander Lake in Newfoundland, Canada, by Arctic Charr (Salvelinus alpinus) provides the opportunity to study genomic basis adaptation extreme deep-water environments. Colonization (>50 m) habitats often requires extensive cope with novel environmental challenges from high hydrostatic pressure, low temperature, and light, but mechanisms underlying evolution these environments are rarely known. Here, we compare divergence between a morph adapted depths up 288 m...