When the cure becomes the disease

6 02 2012

I’ve always barracked for Peter Kareiva‘s views and work; I particularly enjoy his no-bullshit, take-no-prisoners approach to conservation. Sure, he’s said some fairly radical things over the years, and has pissed off more than one conservationist in the process. But I think this is a good thing.

His main point (as is mine, and that of a growing number of conservation scientists) is that we’ve already failed biodiversity, so it’s time to move into the next phase of disaster mitigation. By ‘failing’ I mean that, love it or loathe it, extinction rates are higher now than they have been for millennia, and we have very little to blame but ourselves. Apart from killing 9 out of 10 people on the planet (something no war or disease will ever be able to do), we’re stuck with the rude realism that it’s going to get a lot worse before it gets better.

This post acts mostly an introduction to Peter Kareiva & collaborators’ latest essay on the future of conservation science published in the Breakthrough Institute‘s new journal. While I cannot say I agree with all components (especially the cherry-picked resilience examples), I fundamentally support the central tenet that we have to move on with a new state of play.

In other words, humans aren’t going to go away, ‘pristine’ is as unattainable as ‘infinity’, and reserves alone just aren’t going to cut it. Read the rest of this entry »


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Categories : anthropocene, biodiversity, climate change, conservation, conservation biology, deforestation, ecological triage, ecosystem function, ecosystem services, governance, habitat loss, health, human overpopulation, preservationist, prioritisation

Know thy threat

9 06 2011

Here’s another great guest post by Megan Evans of UQ – her previous post on resolving the environmentalist’s paradox was a real hit, so I hope you enjoy this one too.

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The reasons for the decline of Australia’s unique biodiversity are many, and most are well known. Clearing of vegetation for urban and agricultural land uses, introduced species and changed fire patterns are regularly cited in State of the Environment reports, recovery plans and published studies as major threats to biodiversity. But, while these threats are widely acknowledged, little has been done to quantify them in terms of the proportion of species affected, or their spatial extent at a national, state or local scale. To understand why such information on threats may be useful, consider for instance how resources are allocated in public health care1.

Threat knowledge

Conditions such as cancer, heart disease and mental health are regarded as National Health Priority Areas in Australia, and have been given special attention when prioritising funds since the late 1980s. The burden of disease in these priority areas are quantified according to the incidence or prevalence of disease or condition, and its social and economic costs. Estimates of burden of disease and their geographic distribution (often according to local government areas) can assist in communicating broad trends in disease burden, but also in prioritising efforts to achieve the best outcomes for public health. An approach similar to that used in healthcare could help to identify priorities for biodiversity conservation – using information on the species which are impacted by key threats, the spatial distributions of species and threats, and the costs of implementing specific management actions to address these threats. Read the rest of this entry »


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Categories : alien species, Australia, biodiversity, conservation, deforestation, environmental policy, extinction, fire, fox, habitat loss, harvest, health, invasive species, planning, threatened species

Humans 1, Environment 0

27 09 2010

© flickr.com/photos/singapore2010

While travelling to our Supercharge Your Science workshop in Cairns and Townsville last week (which, by the way, went off really well and the punters gave us the thumbs up – stay tuned for more Supercharge activities at a university near you…), I stumbled across an article in the Sydney Morning Herald about the state of Australia.

That Commonwealth purveyor of numbers, the Australian Bureau of Statistics (ABS), put together a nice little summary of various measures of wealth, health, politics and environment and their trends over the last decade. The resulting Measures of Australia’s Progress is an interesting read indeed. I felt the simple newspaper article didn’t do the environmental components justice, so I summarise the salient points below and give you my tuppence as well. Read the rest of this entry »


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Categories : Australia, carbon, conservation, ecosystem services, environmental policy, fish, fisheries, habitat loss, harvest, health, human overpopulation, IUCN, logging, mammal, pollination, Red List

Global erosion of ecosystem services

14 09 2010

A few months ago I was asked to give a lecture about erosion of ecosystem services to students in the University of Adelaide‘s Issues in Sustainable Environments unit. I gave that lecture last week and just uploaded a slidecast of the presentation (with audio) today.

I’ve reproduced the lecture here for your viewing pleasure. I hope you find the 45-minute presentation useful. Note that the first few minutes cover me referring to the Biodiversity film short that I posted not too long ago.

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CJA Bradshaw


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Categories : anthropocene, Australia, biodiversity, carbon, climate change, coasts, coral reefs, deforestation, disease, ecosystem services, environmental policy, extinction, fire, fisheries, flood, fragmentation, governance, habitat loss, harvest, health, human overpopulation, illegal fishing, kelp, logging, marine protected area, MPA, pollination, predator, protected area, Red List, seagrass, shark, The University of Adelaide, threatened species, water

Webinar: Modelling water and life

27 08 2010

Another quick one today just to show the webinar of my recent 10-minute ‘Four in 40′ talk sponsored by The Environment Institute and the Department for Water. This seminar series was entitled ‘Modelling as a Tool for Decision Support’ held at the Auditorium, Royal Institution Australia (RiAus).

“Four in 40″ is a collaboration between The University of Adelaide and the Department for Water, where 4 speakers each speak for 10 minutes on their research and its implications for policy. The purpose is to build understanding of how best to work with each other, build new business for both organisations and raise awareness of activity being undertaken in water/natural resource management policy and research.

CJA Bradshaw


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Categories : anthropocene, biodiversity, biogeography, connectivity, conservation, conservation biology, deforestation, ecosystem services, environmental policy, extinction, habitat loss, health, island biogeography, management, marine protected area, mathematics, minimum viable population, modelling, protected area, research, The University of Adelaide, threatened species

100 actions to slow biodiversity loss

19 08 2010

I received an email a few days ago from Guillaume Chapron of the Swedish University of Agricultural Sciences (Sveriges lantbruksuniversitet) asking me to promote his ‘Biodiversity 100‘ campaign on ConservationBytes.com. I think it’s an interesting initiative, and so I’ll gladly spread the word.

Teaming up with George Monbiot of The Guardian, the Biodiversity 100 campaign seeks to encourage scientists and others to compile a list of 100 tasks that G20 governments should undertake to prove their commitment to tackling the biodiversity crisis.

Dr. Chapron writes: Read the rest of this entry »


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Categories : biodiversity, carbon, carbon trading, climate change, conservation, deforestation, environmental policy, environmental science, fisheries, habitat loss, harvest, health, human overpopulation, marine protected area, protected area, restoration

Killing us slowly

6 07 2010

I’m currently attending the 2010 International Congress for Conservation Biology in Edmonton, Canada. I thought it would be good to tweet and blog my way through on topics that catch my attention. This is my second post from the conference.

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I silently scoffed inside when the plenary speaker was being introduced. It was boldly claimed that we were about to hear one of the best presentations any of us had ever seen at a scientific conference before.

I cannot say for certain whether it was indeed ‘the best’, but bloody hell, it was excellent.

Our speaker is certainly well-known in the endocrinology world (very well published), is a bane to certain chemical industries and is revered as a scientist who puts his money where is mouth is.

Professor Tyrone Hayes of the University of California Berkeley is an ‘eco-endocrinologist’ who blew the lid on the devastating health effects of the most available and ubiquitous agricultural herbicide in use today – evil atrazine. As my readers know, I am certainly pushing the empirical basis for the link between environmental degradation and deterioration of human health (my talk here at the ICCB on Wednesday will be on this very topic), so this topic interests me greatly.

It’s no secret that atrazine has devastating feminising effects on amphibians (and many other taxa), and has been linked convincingly to increasing the risk of cancer in humans. It’s banned in Europe, but still widely used pretty much everywhere else. Read the rest of this entry »


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Categories : conference, conservation, conservation biology, environmental policy, frog, health, propaganda, toxicology

A world of hurt

21 04 2010

Given it’s only a little under 3 weeks away, I thought I’d advertise an upcoming free public lecture I’m giving for the University of Adelaide‘s highly popular Research Tuesdays programme.

The Research Tuesdays team have done a fantastic job of putting together the associated promotional material, so I’m more or less going to reproduce it here.

The topic is about the global-scale evidence for declining human health from environmental degradation – it’s new research that I haven’t yet published, and so it’ll be exciting to start disseminating the amazing results my colleagues and I have found in a public forum.

So join us on 11 May at the University of Adelaide for what I promise will be an interesting (if not frightening) public lecture. Details below. Read the rest of this entry »


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Categories : conservation, deforestation, habitat loss, health, The University of Adelaide


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