The Problem with ‘Living Fossils’: A Molecular Phylogenetic Perspective

post provided by: gustavo burin

Este post também pode ser lido em Português

Fossil of a Horseshoe crab (Museum of Natural History Berlin)

A couple of days ago I came across a nice video (in Portuguese only, sorry) about so-called “living fossils”. The video focused on the problems of using them as arguments against evolution. But I’d like to take the opportunity to talk more about these long-lived lineages.

Living fossil’ is a term used to describe lineages that are thought to have been around for a very long time and retain characteristics that resemble of their fossil relatives. A couple of well-known examples of these lineages are the Tuatara of New Zealand (Sphenodon punctatus) and the Gingko tree (Gingko biloba).

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International Women’s Day 2020: Retaining Girls and Women in STEM

Post provided by Chloe Robinson

Girls and women make up half of the world’s population and therefore contribute to half of the talent and potential on our planet. Despite representing 3.9 billion people, women are yet to receive the equal rights and opportunities which are currently provided to men. As of 2014, 143 out of 195 countries guarantee equality of women and men in their constitutions, but in practice this is rarely achieved for women.  

Gender equality symbol.

International Women’s Day is a global day celebrating the social, economic, cultural and political achievements of women. The day also marks a call to action for accelerating women’s equality. This year, the theme is #EachforEqual, highlighting that an equal world is an enabled world. One of the key missions for this theme is forging inclusive workplaces so women can thrive’. This is particularly important for retaining women in STEM fields. Ultimately this mission needs to start in schools, because girls as young as 10 are reported to feel ‘out of place‘ in STEM subjects.

This blog post features some of the initiatives aiming to retain girls in STEM fields and shines a light on how far we have to go before girls and women are treated and represented equally in STEM.

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Issue 11.3: Tracking, Slicing, Classifying, Modelling and More

The March issue of Methods is now online!

The latest issue of Methods in Ecology and Evolution is now online! This month’s issue is a little shorter than our last few. But, as they say, good things come in small packages!

Executive Editor Aaron Ellison has selected six Featured Articles this month. You can find out about all of them below. We’ve also got five Applications articles in the March issue that we’re going to cover.

On top of all that, the March issue includes articles on 3D modelling, estimating plant density and more.

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2019 Robert May Early Career Researcher Prize Shortlist

Each year Methods in Ecology and Evolution awards the Robert May Prize to the best paper in the journal by an author at the start of their career. Today we present the shortlisted papers for 2019’s award, based on articles published in volume 10 of the journal. The winner will be chosen by the journal’s Senior Editors in a few weeks. Keep an eye on the blog … Continue reading 2019 Robert May Early Career Researcher Prize Shortlist

Teaching Computers to Think like Ecologists

Post provided by CHRIS TERRY

Artificial intelligence (or AI) is an enormously hot topic, regularly hitting the news with the latest milestone where computers matching or exceeding the capacity of humans at a particular task. For ecologists, one of the most exciting and promising uses of artificial intelligence is the automatic identification of species. If this could be reliably cracked, the streams of real-time species distribution data that could be unlocked worldwide would be phenomenal.

ladybird-stock_thumbDespite the hype and rapid improvements, we’re not quite there yet. Although AI naturalists have had some successes, they can also often make basic mistakes. But we shouldn’t be too harsh on the computers, since identifying the correct species just from a picture can be really hard. Ask an experienced naturalist and they’ll often need to know where and when the photo was taken. This information can be crucial for ruling out alternatives. There’s a reason why field guides include range maps!

Currently, most AI identification tools only use an image. So, we set out to see if a computer can be taught to think more like a human, and make use of this extra information. Continue reading “Teaching Computers to Think like Ecologists”

The Evolution of Love

Post provided by Chloe Robinson

The sending of letters under the pen name ‘St. Valentine’ began back in the middle ages as a way of communicating affection during the practice of courting. Fast forward to 2020 and Valentine’s Day is a day for celebrating romance, but now it typically features the exchange of gifts and cards between lovers.

Credit: Pixabay

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Issue 11.2: Stable Isotopes, in situ Monitoring, Image Analysis and more

The February issue of Methods is now online!

The latest issue of Methods in Ecology and Evolution is now online!

Executive Editor Rob Freckleton has selected six Featured Articles this month. You can find out about all of them below. We’ve also got six Applications articles and five Open Access articles in the February issue – we’ll talk about all of those here too.

On top of all that, the February issue includes articles on population genetics, ecological assemblages, and reconstruction of protein sequences.

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A Surgical Approach to Dissection of an Exotic Animal

Post provided by Aaron T Irving, Justin HJ Ng and Lin-fa Wang

An Australian black flying fox – missing an ear, but fit for release.

Bats. They’re amazing creatures. Long-lived (with relevance to their body size), echolocating (for microbats and some megabats), metabolically-resilient (apparently resilient to most virus infections) flying mammals (with heart beats up to 1200 bpm for hours during flight). There are 1,411 species of this incredible creature. But very little is known about their physiology and unique biological traits. And detailed evolutionary analysis has only just begun.

The problem is, they’re an ‘exotic’ animal (wildlife that most people do not come into contact with). Being a long-lived animal producing minimal offspring (most only have one baby per year), they’re not suited to the kind of experimental studies we do with other animals like mice. Unavoidably, some aspects of biology require the use of tissues and cells. These samples can be used for sequencing, genomics, molecular evolution studies, detailed transcriptomic analysis, functional experiments with specific cell types and much more. Some methodology is beginning to be published – such as capture techniques and wing punch/genomic isolation – but there’s been an absence of protocols for the processing of bats. This is essential for the field to maximise the potential application of each individual and for minimising non-essential specimen collection.

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Methods behind the Madness: Ecology at the Poles

Post provided by Chloe Robinson, Crystal Sobel and Valerie Levesque-Beaudin

Aurora Borealis in the polar north. Photo: Noel Bauza, Pixabay

For those of us in the Northern Hemisphere, the coldest months of the year are upon us. A combination of post-holiday ‘blues’ and the cold, dark mornings make the daily trudge to work all that less inspiring. Recent snow storms in locations such as Newfoundland (Canada), have made it nearly impossible for many people to leave their homes, let alone commute to work. Now cast your mind to a little over 2,000 km north of Newfoundland and imagine the challenges faced with carrying out a job during the coldest, darkest months of the year.

As with every other biome on the planet, polar biomes contain a variety of different species, from bugs to baleen whales. To better understand the different species at our poles, scientists need to collect ecological data, but this is far from a walk in the park.

Iceberg in the Gerlache Strait, Antarctica. Photo: Liam Quinn, flikr.

With the year 2020 marking 200 years since the discovery of Antarctica and the Centenary of ‘vital’ Scott Polar Research Institute (Cambridge, UK), we wanted to highlight some of the polar research published in the journal, featuring challenges faced and current research being undertaken at the poles.

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Issue 11.1: Climate Change, Genomic Divergence, Bayesian Modelling and More

The January issue of Methods is now online!

It’s a new year and the new issue of Methods in Ecology and Evolution is now online!

We’re starting 2020 with a great issue – and ALL of the articles are completely free. And they’ll remain free for the whole year. No subscription required.

You can find out more about our Featured Articles (selected by the Senior Editor) below. We also discuss this month’s Open Access, Practical Tools and Applications articles. There are also articles on species distributions, biotic interactions, taxonomic units and much more.

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