Category: Research summaries

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Long-term monitoring in community-managed Amazonian floodplains reveals some of the world’s highest jaguar densities

Long-term monitoring shows that Amazonian floodplain forests (várzea) can support high jaguar densities, but apparent stability may mask underlying population decline, highlighting the need for sustained conservation efforts under increasing climate extremes. Jaguars are the largest felid in the Americas and play a key role in maintaining ecosystem function. Across much of their range, populations have declined due to habitat loss, hunting, and human–wildlife conflict. … Continue reading Long-term monitoring in community-managed Amazonian floodplains reveals some of the world’s highest jaguar densities

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Prawns and crayfish as biocontrol agents against disease-transmitting freshwater snails

Moscovitz et al. share their experience comparing between predation preferences of a prawn and a crayfish over four species of snails which are aquacultural pests, explaining the observed preferences – or lack thereof – by quantifying snail traits. Freshwater snails are tiny – but in aquaculture systems, they loom large. In fishponds around the world, snails act as intermediate hosts for parasitic trematodes that harm … Continue reading Prawns and crayfish as biocontrol agents against disease-transmitting freshwater snails

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When fire meets warming: Managing mountain grasslands in a hotter world

Fire has shaped mountain grasslands for thousands of years and remains essential for keeping them healthy. But as the climate warms, we need to understand how rising temperatures and fire together will affect these ecosystems. In our study, we tested how warming and different fire frequencies interact in the Drakensberg Mountains of South Africa. In 2017, we added small open top chambers to a long-running … Continue reading When fire meets warming: Managing mountain grasslands in a hotter world

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Can rule-based mapping support nature recovery planning?

Reliable habitat maps sit at the heart of biodiversity monitoring, natural capital accounting and nature recovery planning. Recent policy developments in the UK have made this even more important. The UK Land Use Framework highlights the need for a coherent national land-use evidence base and better integration of spatial data across sectors. However, producing consistent habitat maps at large scales is not straightforward. Field surveys … Continue reading Can rule-based mapping support nature recovery planning?

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Biodiversity in soil seedbanks remains high after low-intensity fire

Prescribed burning is the act of intentionally burning an ecosystem and is used in fire-prone regions around the world to manage fuel loads or conserve biodiversity. Some ecosystems experience fires that are too hot or occur too frequently, while other areas suffer from a lack of fire. Prescribed burning at the right intensity and frequency can help minimise the risk of wildfire while also promoting … Continue reading Biodiversity in soil seedbanks remains high after low-intensity fire

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Come migliorare la stima dell’abbondanza locale dei pesci costieri del Mediterraneo

Stimare quanti pesci vivono nelle aree costiere è fondamentale per proteggere gli ecosistemi marini e gestire le risorse in modo sostenibile. In questo studio, mettiamo in evidenza che il DNA presente nell’acqua di mare può aiutare a stimare meglio l’abbondanza dei pesci. Infatti, contare i pesci non è sempre facile. I metodi tradizionali, come quelli basati su catture di pesca, possono essere costosi, distruttivi o … Continue reading Come migliorare la stima dell’abbondanza locale dei pesci costieri del Mediterraneo

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Mejorando las estimaciones de la abundancia de los peces costeros del Mediterráneo

Conocer cuántos peces hay en nuestras costas es esencial para proteger los ecosistemas marinos y asegurar una gestión sostenible de los recursos. En este estudio, demostramos que el ADN que hay en agua de mar puede ser una herramienta clave para ayudar a predecir mejor la abundancia de dichos peces. Contar peces no siempre es tarea fácil. Los métodos tradicionales, como la pesca, pueden ser … Continue reading Mejorando las estimaciones de la abundancia de los peces costeros del Mediterráneo

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Comment mieux estimer l’abondance locale des poissons côtiers de Méditerranée

Estimer combien de poissons vivent dans les zones côtières est essentiel pour protéger les écosystèmes marins et gérer durablement les ressources. Dans cette étude, nous montrons que l’ADN présent dans l’eau de mer peut aider à mieux prédire l’abondance des poissons. En effet, compter les poissons n’est pas toujours simple. Les méthodes classiques, comme les captures de pêche, peuvent être coûteuses, destructrices ou difficiles à … Continue reading Comment mieux estimer l’abondance locale des poissons côtiers de Méditerranée

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How to better estimate local abundance of Mediterranean coastal fish

Estimating how many fish live in coastal areas is essential for protecting marine ecosystems and managing resources sustainably. In this study, we show that DNA present in seawater can help better predict fish abundance. Indeed, counting fish is not always easy. Traditional methods, such as fishing catches, can be costly, destructive, or difficult to implement in certain protected or dangerous areas. A recent method involves … Continue reading How to better estimate local abundance of Mediterranean coastal fish

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Creating small clearings helps herbivores keep trees from taking over savannas

In many parts of the world, grasslands and savannas are being taken over by trees. This change reduces biodiversity and alters how these ecosystems work. We wanted to test a simple, low-cost way to slow this process and help restore open grassy areas. In our study, we created small clearings (“glades”) by cutting trees in a heavily wooded savanna in South Africa. We compared these … Continue reading Creating small clearings helps herbivores keep trees from taking over savannas

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