In #TropicalForests, dung beetles💩 are fundamental for ecosystem functioning, as shown by our research. Want to know why? Check this 🧵. 1/11

🎥: @FilipeEco
The #DungBeetle name refers to the habit that some species of these beetles have in rolling feces from different animals. 2/11

🎥: @Erika_Berenguer
Dung beetles use #poop for feeding and nesting, with their larvae already hatching in a nutrient-rich environment. Some species roll using their front legs, such as this Oxysternon festivum rolling dung from a howler monkey in the Maracá Island, Roraima. 3/11

📸’s: @JosBarlow
Did you know that not all dung beetles roll the dung? Some #species, such as Coprophanaeus lancifer, are known as tunnelers because they dig tunnels to bury their lunch and protect their nests just below the dung pile. 4/11

📸 : @HanMGriffiths
Also, not every #DungBeetle eats dung. Many species eat carcasses, decaying mushrooms and/or fruits. There are even beetles that are specialists in preying on millipedes, such as the species Deltochilum cupreicolle viridescens in these photos. 5/11

📸’s: @FilipeEco
Some dung beetles have a “sit and wait” behaviour, perching on leaves while waiting for the dung smell - such as this Canthon triangularis species in forests of the Jari region, Pará. 6/11

📸’s:@JosBarlow and @FilipeEco
Currently, there are more than 7000 species of #dung beetles distributed on all continents around the world, except Antarctica. 7/11
In @RAS_network, we use dung beetles to assess the condition of Amazonian forests. Many people don’t know but dung beetles help forest health through contributing to #SeedDispersal, #PestControl and #NutrientCycling. 8/11

Figure from:…
Healthy and disturbance-free forests have a great diversity of species, sizes and colours (photo 1). Forests modified by anthropic and #climate disturbances, on the other hand, have few species, which are generally very small in size (photo 2). 9/11

📸’s: @FilipeEco
After a drought and forest fires, our research found drastic losses in the diversity of dung beetles and in the associated seed dispersal and nutrient cycling activities within Amazonian forests. 10/11

Full article:…
But all is not lost! A recent study led by @Cassioan shows that having many #DungBeetle species with similar ecological function can offset the loss of rare species within human-modified Amazonian forests. 11/11

Full article:…

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More from @RAS_network

22 Jul
Os #besouros rola-bosta 💩 são fundamentais para o funcionamento da #FlorestaAmazônica, como mostram as nas nossas pesquisas. Quer saber por que? Segue o 🧵 . 1/11

🎥: @FilipeEco
O nome #RolaBosta faz referência ao hábito que algumas espécies desses besouros têm de rolar as fezes de diversos animais. 2/11
🎥: @Erika_Berenguer
Esses besouros usam o #cocô como alimento e/ou para reprodução, com suas larvas já nascendo num ambiente rico em nutrientes. Algumas #espécies rolam usando suas pernas dianteiras, como esse Oxysternon festivum levando as fezes de guariba na ilha de Maracá. 3/11

📸’s: @JosBarlow
Read 11 tweets
14 Jul
1. @RAS_network é uma rede de pesquisa internacional, principalmente entre Brasil e Reino Unido, atuando há mais de 10 anos na Amazônia. RAS desenvolve pesquisas ecológicas e interdisciplinares, incluindo abordagens econômicas e sociais. ImageImage
2. Com um componente forte de trabalho de pesquisa in loco, busca fornecer divulgação científica e interação com atores locais e regionais, especialmente tomadores de decisão. Image
3. A rede é coordenada por 7 pesquisadores e inclui parceiros e alunos de mais de 30 instituições associados através de diversos projetos. A rede cresceu de forma orgânica e tem composição fluida. Image
Read 5 tweets
14 Jul
1. @RAS_network is an international research network, mainly between Brazil and the UK, operating for over 10 years in the Amazon. RAS develops ecological and interdisciplinary research, including economic and social approaches. ImageImage
2. With a strong in loco work component, it seeks to provide scientific dissemination and interaction with local and regional actors, especially decision makers. Image
3. The network is coordinated by 7 researchers and includes partners and students from more than 30 associated institutions through various projects. The network grew organically and has a fluid composition. Image
Read 5 tweets
12 Jul
1. As florestas tropicais são conhecidas por seus sons bonitos e relaxantes, mas podem essas paisagens sonoras serem usadas para medir as mudanças na condição da #floresta? Um fio
2. Pesquisar #biodiversidade na Amazônia é muito difícil - há muitas espécies raras, muitas espécies difíceis de detectar, muitos perigos para os topógrafos e a floresta tropical é muito, muito grande! Image
3 Felizmente, muitos animais anunciam sua presença emitindo sons. Usamos esses sons (biofonia), juntamente com o ruído humano (antropofonia) e sons da paisagem(geofonia) para aprender mais sobre a ecologia da floresta - um campo de pesquisa relativamente novo chamado #ecoacustica Image
Read 25 tweets

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