We are suckers for hype. The recent media sequel of the mythical Insect Armageddon and the coverage of the latest WWF report on wildlife declines are a reminder of this.
Global declines in insect populations are a huge concern. Insects contribute to myriad ecosystem services through a multitude of ecological processes and functions. If we lose insects, we WILL suffer. But the two studies media have hyped on this issue are not actually evidence that this happening. They are concerning; they are a wake-up call; they are worrying. But, in and of themselves, they are not evidence of apocalyptic declines in the number of all 1+ million species of insect on Earth.
Similarly, the recent WWF report does not show any evidence that humans have ‘wiped out’ 60% of all animals on Earth in the last 30/40 years, as many media outlets are claiming. The truth: the report considered around 4000 species of mammals, birds, fish, reptiles and amphibians…i.e. vertebrates. There are at least ~400,000 more species of vertebrate on Earth (depending who you talk to), probably more. And huge caveat!… Invertebrates are the most abundant and diverse group of animals, so any claim about ‘all animals’ that doesn’t include invertebrates is automatically dubious. Continue reading
Last year I wrote about the Insect Armageddon story – an important paper that received some exaggerated media hype.
A new paper just published in PNAS adds another twist to the insect declines saga…clearly, this story is far from over.
Lister & Garcia analysed data collected in the Luqillo Experimental Forest in Puerto Rico. This area of tropical rainforest is not a ‘pristine’ untouched wilderness, as some media reports are claiming – no place on Earth is untouched by humans! The site has been a long-term research location for decades, going back to the early 1900s, with a focus on experiments to understand the effects of disturbances of all kinds. Many important experimental research projects involving human disturbances (like this one) have happened in the Luqillo forest.
This study is important for a few reasons. Continue reading
Have you read a research paper where you experience this sequence of thoughts?: Title/Abstract/Introduction (wow! This is a real problem, someone’s finally answered this question), Methods (um, hang on, this sample size/study system/analysis approach doesn’t quite answer this problem…), Results (okay, these results are interesting, but…), Discussion (whoa, rein it in! I can’t find the link between these assumptions or recommendations and the results…).
The paper may be scientifically sound, as far as the methods & results go. The problem is that the authors have chosen a very broad frame narrative, and then confounded that frame with the interpretation of their results. Continue reading
Last year I reviewed Charles Krebs‘ new book, Why Ecology Matters. My review has just been published in Austral Ecology – you can view a read-only copy here.
© Manu Saunders 2018
Fakenewsflash: the recent Facebook post claiming to be from David Attenborough, suggesting that we should feed floundering bees a sugar solution to ‘save’ them, was faked.
I’m not on Facebook, but I saw the original post via Twitter, where many popular non-profit and government organisations promoted it (it now seems that many have deleted their posts).
I didn’t know it was a fake post at the time, but I didn’t agree with it so didn’t share it or comment on it. I didn’t want to be the Grinch that disagreed with the popular personality. And perhaps the pollinator message would reach a new audience, despite the fake news…
But what price new audiences? Continue reading
Every so often, another opinion piece claims that ecosystem services approaches hinder nature conservation. A couple of recent examples: a Monbiot column rehashing his views against the natural capital approach (which is an economic tool for applying the ecosystem services concept), and this opinion piece in Biological Conservation by Bekessy et al. arguing that ecosystem services is not a useful communication strategy for conservation advocacy.
Two key arguments recur in these opinions, both based on conflated issues:
- practical applications of the ecosystem services concept (e.g. economic valuation) are conflated with the concept itself
- ecosystem services are equated with instrumental values, which are conflated with economic values, and portrayed in opposition to intrinsic values (stay with me here)
I haven’t written for The Conversation (TC) for a while, and this article was a new experience for me: a commission via Twitter! A TC editor saw a live tweet from a talk I gave at a conference in April (where I mentioned that Australian almond growers rent honey bee hives to pollinate blossoms), and contacted me to write a story elaborating on the theme.
Read the story here, covering the basic ins and outs of hive rental, as well as the important role of wild pollinators in crop pollination, which we still know very little about. Continue reading