17/09/2026
Free photogrammetry: September deal
🎉 Our September offer celebrates our 5-year anniversary! We give away free photogrammetry reconstruction and analysis for all contracts signed in September to acoustically monitor or restore coral reefs with our solutions.
Interested? We are happy to help [email protected]
📃 Terms and conditions apply. More info on reef-pulse.com
Live coral cover has historically been assessed worldwide using transects (Loya 1972) and quadrats (English, Wilkinson, and Baker 1997), which do not take into account the 3D structure of coral reefs (Urbina-Barreto et al. 2021). However, major ecological processes in reef ecosystems are determined by habitat complexity, and its loss is one of the most reliable indicators of reef degradation (Graham and Nash 2013; Fukunaga and Burns 2020).
📸 Photogrammetry overcomes this shortage by generating a 3D digital twin from underwater pictures (Westoby et al. 2012; Bayley and Mogg 2020). Photogrammetry is standardised and therefore enables the long-term monitoring of changes in the 3D structure of reefs and the detection of losses or gains in complexity over time (Ferrari et al. 2017).
At Reef Pulse, we scale up marine ecosystem monitoring to rapidly address ongoing climate change. Our photogrammetry protocol is based on NOAA guidelines and allows us to cover more than 100 m² of coral reefs with only one camera during a 1-hour dive.
At Reef Pulse, we have recorded underwater sounds at more than 180 coral reef sites in the 3 oceans. This represents more than 70 years of cumulative recordings and hundreds of Terabytes. These recordings contain parrotfish grazing, groupers growling, whales vocalising, boats passing by, movements of fish schools, and dozens of different types of underwater events that our algorithms can detect. Each output from PAM data analysis is a crucial asset to implement management actions (e.g. species reintroduction, temporary no-go zone around grouper spawning grounds, boat speed limit adjustments to decrease impact on marine life, …). We work alongside stakeholders of marine conservation to save them time and money while upscaling their capacity for conserving coral reefs. Coral reefs are endangered and 90% could disappear by 2050, but 50% are already lost in some areas. Yet, coral reefs provide to more than 1 billion people in the world services like coastal protection, tourism, fisheries. There is urgency to act now. ⏰
🎤 PAM is a terrific method to help upscale coral reef monitoring because it is standardised, non-intrusive, objective, and continuous. However, PAM has a dead angle: the evaluation of coral cover and habitat complexity. It’s like monitoring everything in a forest but the trees. Thus, photogrammetry is the perfect complementary tool to PAM. The 3D reconstructions provide the size, shape, growth, erosion degree, recovery, rugosity, and many other metrics of each coral colony over time.
