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Articles by Ty Loft
Energy flows reveal declining ecosystem functions by animals across Africa
By Ty Loft et al – Nature A key challenge for ecological science is to understand how biodiversity loss is changing ecosystem structure and function at scales that are relevant for policy1. Almost all biodiversity metrics are challenging to disaggregate into animal-mediated ecosystem functions such as pollination, seed and nutrient dispersal, and predation.
Energy flows reveal declining ecosystem functions by animals across Africa
Article Dans Une Revue Nature Année : 2025 Energy flows reveal declining ecosystem functions by animals across Africa Fichier principal Loft_etal_Nature_2025.pdf (14.12 Mo) Télécharger le fichier Origine Fichiers produits par l'(les) auteur(s) Licence hal-05397466 , version 1 (04-12-2025) Ty Loft, Imma Oliveras Menor, Nicola Stevens, Robert Beyer, Hayley S Clements, et al.. Energy flows reveal declining ecosystem functions by animals across Africa. Nature, In press, ⟨10.1038/s41586-025-09660-1⟩.
A place-based assessment of biodiversity intactness in sub-Saharan Africa - Nature
Abstract Maintaining biodiversity is central to the sustainable development agenda1. However, a lack of context-specific biodiversity information at policy-relevant scales has posed major limitations to decision-makers2,3. To address this challenge, we undertook a comprehensive assessment of the biodiversity intactness of sub-Saharan Africa4 using place-based knowledge of 200 African biodiversity experts5.
Energy flows reveal declining ecosystem functions by animals across Africa - Nature
Abstract A key challenge for ecological science is to understand how biodiversity loss is changing ecosystem structure and function at scales that are relevant for policy1. Almost all biodiversity metrics are challenging to disaggregate into animal-mediated ecosystem functions such as pollination, seed and nutrient dispersal, and predation.
Global Change Biology | Environmental Change Journal | Wiley Online Library
Djiofack et al. (2024) estimated how eliminating fire would impact biodiversity and carbon stocks across 1.2 million km2 of Central African savanna. Extrapolating from 109 vegetation plots, they find that eliminating fire would increase tree species richness while allowing reforested savannas to sequester 12 additional Gt of carbon by 2100.
The bii4africa dataset of faunal and floral population intactness estimates across Africa’s major land uses - Scientific Data
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Abstract Sub-Saharan Africa is under-represented in global biodiversity datasets, particularly regarding the impact of land use on species’ population abundances.
By Hayley Clements, Bryan Maritz, Ara Monadjem, Chevonne Reynolds, Ryan Blanchard, Matthew F. Child, Karen J. Esler, Maike Hamann, Ty Loft, Odirilwe Selomane, Jesús Aguirre-Gutiérrez, Graham Alexander, Nico L Avenant, Steven Belmain, Emily Bennitt, Michelle Brown, Filipe Gimenez Carvalho, Marina Cords, Harriet Davies-Mostert, Terrence C. Demos, Christiane Denys, Thomas M. Doherty-Bone, Marine Drouilly, Seth J. Eiseb, Adam Ferguson, Jason Gilchrist, Laurent Granjon, Javier Juste, Beth A. Kaplin, Christian Kiffner, Duncan M. Kimuyu, Mnqobi L. Mamba, Trevor McIntyre, John Measey, Addisu Mekonnen, Haemish I. Melville, Pedro Monterroso, Jennifer Moore Verified, Violaine Nicolas, Katarzyna Nowak, M. Justin O’Riain, Francesca Parrini, Andrew Plumptre, Leigh Richards, Ute Schmiedel, M. Corrie Schoeman, Paul Scholte, Sidney Shema, Alexander Sliwa, Hanneline A. Smit-Robinson, Michael J. Somers, Dave Thompson, Wayne Twine, Victor Van Cakenberghe, Géraldine Veron, Susanne Vetter, Maria Vorontsova, Thomas Wagner, Natalie Weber, Paula A. White, Esther E. Amoako, Nadine Cronk, José M. Fernández-García, Jerome Y. Gaugris, Jose M. Gil-Sánchez, Vaclav Gvozdik, Anne Mette Lykke, Kevin Z. Mganga, Liaan Minnie, Evans E. Nkrumah, Benneth C. Obitte, Samuel T. Osinubi, Darren W. Pietersen, Elie Tobi
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Nature
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Extensive woody encroachment altering Angolan miombo woodlands despite cropland expansion and frequent fires
1 INTRODUCTION Tropical savannas cover 20% of the world's land and supply ecosystem services to hundreds of millions of people (Bond, 2019). They provide habitat for thousands of endemic species composing a rich, ancient, and disturbance-dependent biodiversity (Bond & Parr, 2010; Veldman et al., 2015). These benefits are threatened by two global change processes: woody encroachment (WE) and land conversion for agriculture (Potapov et al., 2022; Stevens et al., 2022).
Covid-19 at Sea: Impacts on the Blue Economy, Ocean Health, and Ocean Security
April 10, 2020 The COVID-19 pandemic will be a history-altering event. But where will it take us? In “On the Horizon,” a new CSIS series, our scholars offer their insights into the fundamental changes we might anticipate for our future social and economic world. The blue economy—including both those who work at sea and those whose livelihoods depend on it—presents a unique challenge for efforts to address the Covid-19 pandemic.
Why Does Presidential Action on Climate Change Matter?
Photo: Yale Program on Climate Communications By Ty Loft, Georgetown University ’19 The president should address climate change because the extreme, unpredictable weather it creates undermines international security. It does so in two ways. First, stronger storms and higher seas pose a direct threat to people and infrastructure. Hurricane Dorian is estimated to have killed over 50 people, Hurricane Maria about 3000. Sea level rise and flooding threaten 79 U.S. military bases.
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