Gerry Ryan

Birds in the sky, fish in the sea, money in the bank: quantitative methods for more effective conservation

Gerard Edward Ryan

Thesis / Dissertation  |  2021

My approach in this thesis was to explore how to wring more information out of existing data to reduce uncertainty, improve decisi..

COVID-19 Highlights the Need for More Effective Wildlife Trade Legislation

Amael Borzee, Jeffrey McNeely, Kit Magellan, Jennifer RB Miller, Lindsay Porter, Trishna Dutta, Krishnakumar P Kadinjappalli, Sandeep Sharma, Ghazala Shahabuddin, Fikty Aprilinayati, Gerard E Ryan, Alice Hughes, Aini Hasanah Abd Mutalib, Ahmad Zafir Abdul Wahab, Damber Bista, Suchana Apple Chavanich, Ju Lian Chong, George A Gale, Hanyeh Ghaffari, Yadav Ghimirey, et al.

Journal article  |  2020  |  Trends in Ecology and Evolution

Zoonosis-based epidemics are inevitable unless we revisit our relationship with the natural world, protect habitats, and regulate ..

Simultaneous-count models to estimate abundance from counts of unmarked individuals with imperfect detection

Gerard Edward Ryan, Emily Nicholson, Jonathan C Eames, Thomas NE Gray, Robin Loveridge, Simon P Mahood, Phearun Sum, Michael A McCarthy

Journal article  |  2019  |  CONSERVATION BIOLOGY

We developed a method to estimate population abundance from simultaneous counts of unmarked individuals over multiple sites. We co..

Erratum: Poisoning causing the decline in South-East Asia's largest vulture population (Bird Conservation International (2019) 29:1 (41-54) DOI: 10.1017/S0959270918000126)

R Loveridge, GE Ryan, SUM Phearun, O Gray-Read, SP Mahood, A Mould, S Harrison, R Crouthers, SOK Ko, TOM Clements, JC Eames, M Pruvot

Journal article  |  2019  |  Bird Conservation International

In the original version of the above published article, co-author Oliver Gray-Read's surname was spelled incorrectly. This has now..

Poisoning causing the decline in South-East Asia's largest vulture population

Robin Loveridge, Gerard Edward Ryan, Phearun Sum, Oliver Grey-Read, Simon P Mahood, Alistair Mould, Stefan Harrison, Rachel Crouthers, Sok Ko, Tom Clements, Jonathan C Eames, Mathieu Pruvot

Journal article  |  2019  |  BIRD CONSERVATION INTERNATIONAL

Cambodia supports populations of three Critically Endangered vulture species that are believed to have become isolated from the re..

A general method for assessing the risks and benefits of secrecy in conserving 'Lazarus species (vol 203, pg 186, 2016)

Gerard E Ryan, Christopher M Baker

Journal article  |  2019  |  BIOLOGICAL CONSERVATION

Eq. (1) on page 186 reads: [Formula presented] However it should read: [Formula presented] The authors would like to apologise for..

Electrofishing as a potential threat to freshwater cetaceans

Peter O Thomas, Frances MD Gulland, Randall R Reeves, Danielle Kreb, Wang Ding, Brian Smith, Muhammad Imran Malik, Gerard E Ryan, Somany Phay

Journal article  |  2019  |  ENDANGERED SPECIES RESEARCH

Electrofishing is an accepted practice for legal fish sampling and surveying, but its use for subsistence food and market fishing ..

Bycatch in gillnet fisheries threatens Critically Endangered small cetaceans and other aquatic megafauna

Robert L Brownell, Randall R Reeves, Andrew J Read, Brian D Smith, Peter O Thomas, Katherine Ralls, Masao Amano, Per Berggren, Aung Myo Chit, Tim Collins, Rohan Currey, M Louella L Dolar, Tilen Genov, Roderick C Hobbs, Danielle Kreb, Helene Marsh, Zhigang Mei, William F Perrin, Somany Phay, Lorenzo Rojas-Bracho, et al.

Journal article  |  2019  |  ENDANGERED SPECIES RESEARCH

The conservation status of small cetaceans has significantly worsened since the 1980s, when the baiji was the only species of smal..

Demographic collapse and low genetic diversity of the Irrawaddy dolphin population inhabiting the Mekong River

Michael Krutzen, Isabel Beasley, Corinne Y Ackermann, Dietmar Lieckfeldt, Arne Ludwig, Gerard E Ryan, Lars Bejder, Guido J Parra, Rebekka Wolfensberger, Peter BS Spencer

Journal article  |  2018  |  PLOS ONE

In threatened wildlife populations, it is important to determine whether observed low genetic diversity may be due to recent anthr..

Dams threaten rare Mekong dolphins

Robert L Brownell, Randall R Reeves, Peter O Thomas, Brian D Smith, Gerard E Ryan

Journal article  |  2017  |  SCIENCE