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Freshwater ecosystems and their biota are under increasing pressure from anthropogenic stressors. In response to declining fish stocks, hatchery and stocking programmes are widely implemented as core components of restoration and management strategies, with positive outcomes for some wild populations. Despite this, stocking remains contentious due to potential genetic and ecological risks to wild populations. Monitoring and ev...
Eucalyptus nitens is a cold-tolerant eucalypt that is native to Eastern Australia. Pure E. nitens as well as its hybrids, such as Eucalyptus grandis × Eucalyptus nitens , is propagated commercially in various regions of the southern hemisphere, including South Africa. In a plantation environment, E. nitens is susceptible to a variety of native and invasive pathogens, including Phytophthora alticola and P. cinnamomi . Recently,...
Sharing and reporting benefits from biodiversity researchNARA Subscribed
The proposed APHIS regulation modernization could enhance agriculture biotechnology research and development in the USANARA Subscribed
The USDA’s Animal and Plant Health Inspection Service (APHIS) is one of three agencies that govern the importation, interstate movement, or environmental release of certain genetically engineered (GE) organisms. APHIS regulations are in 7 CFR part 340, originally issued in 1987 ( https://www.aphis.usda.gov/biotechnology/downloads/7_cfr_340.pdf ) and based on the premise that a GE crop could pose a plant pest risk. A major revi...
The Great Salt Lake's monimolimnion and its importance for mercury bioaccumulation in brine shrimp ( Artemia franciscana )NARA Subscribed
The Great Salt Lake (Utah) is divided by a railroad causeway that causes the lake's south arm to be chemically stratified, when saltier, denser water from the north underflows into the south, creating an anoxic, sulfide‐rich deep brine layer that accumulates high levels of total mercury (Hg; 59 ng L −1 ) and methylmercury (33 ng L −1 ). Approximately 40% of this water is advected into the upper mixed layer annually. High mercu...
Landscape genetics is an emerging discipline that utilizes environmental and historical data to understand geographic patterns of genetic diversity. Niche modelling has added a new dimension to such efforts by allowing species–environmental associations to be projected into the past so that hypotheses about historical vicariance can be generated and tested independently with genetic data. However, previous approaches have prim...
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