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Shrimp is one of the most valuable fisheries resources in the Gulf of Mexico, underpinning important fisheries around Mississippi, Louisiana and Texas, but it's not an easy lucrative busines.
Shrimp catchers face many challenges, such as rising fuel costs, increased shrimp imports and climate chang.
While brown and white shrimp are the most abundant species in the northwest Gulf of Mexico, shrimpers put considerable effort into locating these shrimp to ensure catche.
While brown and white shrimp are the most abundant species in the northwest Gulf of Mexico, shrimpers put considerable effort into locating these shrimp to ensure catche.
Scientists at NOAA's Southeast Fisheries Science Center and North Carolina State University are trying to take some of the guesswork out of finding shrimp, which is especially important during seasonal low or no oxygen conditions in the Gulf of Mexic.
Hypoxia, or hypoxia, tends to be most pronounced near the seafloor, which poses a significant threat to marine life, especially seafloor-dwelling populations such as shrim.
The study found that shrimp are highly mobile and are often able to escape low-oxygen areas by moving to other habitat.
The study found that shrimp are highly mobile and are often able to escape low-oxygen areas by moving to other habitat.
The question is, where are they going?
With funding from NOAA's National Center for Coastal Marine Science, scientists developed a distribution model for each shrimp specie.
The models are based on historical shrimp catch rates, shrimp catches, dissolved oxygen levels, and other environmental data collected from fishery surveys and other sources in the are.
They then use hypoxia predictions, which provide the spatial distribution of dissolved oxygen, to Predict where the shrimp might be in early summe.
They then use hypoxia predictions, which provide the spatial distribution of dissolved oxygen, to Predict where the shrimp might be in early summe.
Based on data from May, the researchers predict that brown shrimp will be more abundant offshore (water depths greater than 20 meters) off the eastern and central Louisiana shelf, and in the western Louisiana shelf near the Texas borde.
Offshore, they will be more abundan.
Offshore, they will be more abundan.
Larger numbers of white shrimp are forecast near the coast, especially near Atchafalaya Bay in Louisiana, and the forecast also highlights that this year's shrimp spatial distribution may deviate from historical average.
This is the first attempt to use near-term hypoxia projections to predict the spatial distribution of fishery resources managed in the Gulf of Mexico or elsewher.
While this effort is experimental for now, scientists will continue to refine models of shrimp and hypoxi.
While this effort is experimental for now, scientists will continue to refine models of shrimp and hypoxi.
