Steffen Bach
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View article: Whale shark residency and small-scale movements around oil and gas platforms in Qatar
Whale shark residency and small-scale movements around oil and gas platforms in Qatar Open
Whale sharks seasonally aggregate near oil and gas platforms in Qatar to feed on fish spawn, creating one of the world’s largest aggregations of the species. We used passive acoustic telemetry to examine their fine-scale movements, residen…
View article: Global tracking of marine megafauna space use reveals how to achieve conservation targets
Global tracking of marine megafauna space use reveals how to achieve conservation targets Open
The recent Kunming-Montreal Global Biodiversity Framework (GBF) sets ambitious goals but no clear pathway for how zero loss of important biodiversity areas and halting human-induced extinction of threatened species will be achieved. We ass…
View article: Effects of climate warming on energetics and habitat of the world's largest marine ectotherm
Effects of climate warming on energetics and habitat of the world's largest marine ectotherm Open
Responses of organisms to climate warming are variable and complex. Effects on species distributions are already evident and mean global surface ocean temperatures are likely to warm by up to 4.1 °C by 2100, substantially impacting the phy…
View article: Whale shark residency and small-scale movements around oil and gas platforms in Qatar
Whale shark residency and small-scale movements around oil and gas platforms in Qatar Open
Artificial structures in the ocean can influence the movements and residency of migratory fishes. Whale sharks seasonally aggregate near oil and gas platforms in Qatar to feed on fish spawn, creating one of the largest aggregations for the…
View article: Improving sightings-derived residency estimation for whale shark aggregations: A novel metric applied to a global data set
Improving sightings-derived residency estimation for whale shark aggregations: A novel metric applied to a global data set Open
The world’s largest extant fish, the whale shark Rhincodon typus , is one of the most-studied species of sharks globally. The discovery of predictable aggregation sites where these animals gather seasonally or are sighted year-round – most…
View article: Global collision-risk hotspots of marine traffic and the world’s largest fish, the whale shark
Global collision-risk hotspots of marine traffic and the world’s largest fish, the whale shark Open
Significance Global vessel traffic is increasing alongside world economic growth. The potential for rising lethal ship strikes on endangered species of marine megafauna, such as the plankton-feeding whale shark, remains poorly understood s…
View article: Genome‐scale target capture of mitochondrial and nuclear environmental DNA from water samples
Genome‐scale target capture of mitochondrial and nuclear environmental DNA from water samples Open
Environmental DNA (eDNA) provides a promising supplement to traditional sampling methods for population genetic inferences, but current studies have almost entirely focused on short mitochondrial markers. Here, we develop one mitochondrial…
View article: Using vertebrate environmental DNA from seawater in biomonitoring of marine habitats
Using vertebrate environmental DNA from seawater in biomonitoring of marine habitats Open
Conservation and management of marine biodiversity depends on biomonitoring of marine habitats, but current approaches are resource‐intensive and require different approaches for different organisms. Environmental DNA (eDNA) extracted from…
View article: Fouling assemblages on offshore oil platforms: diverse vertical reefs in the Arabian Gulf
Fouling assemblages on offshore oil platforms: diverse vertical reefs in the Arabian Gulf Open
Coral reefs are one of the most biologically diverse and complex marine ecosystems that are being degraded at rapid rates. This consistent steadily trend is especially critical in coastal areas that have experienced an impressive coastal d…
View article: Epibenthic assemblages on vertical artificial substrates: recruitment and succession patterns in offshore Qatari waters
Epibenthic assemblages on vertical artificial substrates: recruitment and succession patterns in offshore Qatari waters Open
Artificial structures get introduced into the marine environment by accident (e.g., shipwrecks) or intentionally, for logistical (i.e., coastal protection), industrial (i.e., oil exploitation) or biological habitat enhancement (i.e., artif…
View article: Undersea Constellations: The Global Biology of an Endangered Marine Megavertebrate Further Informed through Citizen Science
Undersea Constellations: The Global Biology of an Endangered Marine Megavertebrate Further Informed through Citizen Science Open
The whale shark is an ideal flagship species for citizen science projects because of its charismatic nature, its size, and the associated ecotourism ventures focusing on the species at numerous coastal aggregation sites. An online database…
View article: Some like it hot: Repeat migration and residency of whale sharks within an extreme natural environment
Some like it hot: Repeat migration and residency of whale sharks within an extreme natural environment Open
The Arabian Gulf is the warmest sea in the world and is host to a globally significant population of the whale shark Rhincodon typus. To investigate regional whale shark behaviour and movements, 59 satellite-linked tags were deployed on wh…
View article: Population Structure, Abundance and Movement of Whale Sharks in the Arabian Gulf and the Gulf of Oman
Population Structure, Abundance and Movement of Whale Sharks in the Arabian Gulf and the Gulf of Oman Open
Data on the occurrence of whale sharks, Rhincodon typus, in the Arabian Gulf and Gulf of Oman were collected by dedicated boat surveys and via a public-sightings scheme during the period from 2011 to 2014. A total of 422 individual whale s…
View article: Chemical Characterization and Source Identification of Beached Oil from Two Areas Along the North-Western Coast of Qatar
Chemical Characterization and Source Identification of Beached Oil from Two Areas Along the North-Western Coast of Qatar Open
Over the years there have been several reports of oil spills affecting particularly the northern coast of Qatar. In most cases, the source of oil spills is not identified. The spilled oils are very resistant to degradation and can affect t…
View article: First Impact Assessment of Genotoxic Components in the Qatari Marine Environment
First Impact Assessment of Genotoxic Components in the Qatari Marine Environment Open
The Arabian Gulf is a semi-enclosed sea with very high evaporation and low discharge rates resulting in extreme saline and thermal conditions. Additionally the system is characterized by a weak hydrodynamic flushing resulting in pollutant …