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Tag Archives: models
Just simple enough – an interesting new blog about biological modelling
I stumbled across this blog last week: Just Simple Enough: The Art of Mathematical Modelling. It discusses modelling in biology. Run by Amy Hurford, it is seemingly quite new, but already has several thought-provoking posts. For anyone interested in modelling, … Continue reading
A flurry of blogs on NHST
Perhaps people are always blogging about problems with the use of null hypothesis significance testing (HNST) in ecology, and I’ve just noticed. But there seems to have been a spate recently. There is a blog post about this at the … Continue reading
Interpreting non-detection when observations are imperfect
How long should you search before deciding that your target is absent? This is a problem that is fundamental to any ecological study that aims to determine the absence of a species. It will be important in studies of extinction, … Continue reading
Evil p-values
A tweet just directed me to this older blog post by Bob O’Hara titled “Why P-values are Evil“. It is relevant to my previous post on Interpreting Variation in Data, and well worth reading.
Posted in CEED, Ecological models, NERP, Probability and Bayesian analysis
Tagged ecology, models, uncertainty
1 Comment
Coextinction and recognition for unloved threatened species
I love this quote from Bob May (1986) – “to a good approximation, all species are insects”. Mark Burgman and David Lindenmayer’s (1998) book communicates that point beautifully, with an illustration by Kate Thompson in which the size of the … Continue reading
Posted in CEED, Detectability, Probability and Bayesian analysis
Tagged detectability, ecology, extinction, mick mccarthy, models, qaeco.com, uncertainty
5 Comments
Building resilient ecosystems
Andrew Bennett and Dale Nimmo are hosting a forum on resilience at Deakin University on 12th April. The flyer for the event is here. Registration is essential if you wish to attend (see the flyer). The forum is titled “Building … Continue reading
Interpreting variation in data
This post examines the issue of scientific inference when using imprecise data, using two unrelated examples. The first is about whether cutting toes off frogs reduces their return rate, and the second examines the correlation between contemporary warming and CO2. … Continue reading
Posted in CEED, Ecological models, Probability and Bayesian analysis
Tagged ecology, environmental decisions, models, monitoring, uncertainty
6 Comments
Looking for a needle in a haystack – searching for hawkweeds
I’m in Falls Creek at the moment, with about 15 people from QAEG and other parts of Melbourne Uni. Cindy Hauser is running an experiment to detect hawkweeds, a major threat to the biodiversity in the Victorian Alps. How would … Continue reading
Posted in Detectability, Ecological models, New research, Probability and Bayesian analysis
Tagged alpine, detectability, models
1 Comment
(Un)certainty of timber production
There is a new plan to provide longer term contracts for supplying timber from public native forests in Victoria. Part of this seems to involve moving responsibility for timber management from the Environment Minister to the Agriculture Minister. Some environment … Continue reading
Posted in Ecological models, Probability and Bayesian analysis
Tagged environmental decisions, fire, forest, models, qaeco.com, uncertainty
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Indices behaving badly
I have been thinking about indices in ecology and environmental science lately, partly because of concerns about the SAFE index. Indices are used for environmental monitoring, setting management priorities, and evaluating management actions. They are also found in basic ecology … Continue reading