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Aquaculture in sentence

57 examples of Aquaculture in a sentence

Because aquaculture systems often operate on coastlines or near inland rivers or ponds, they tend to disrupt natural habitats, contribute to nitrogen pollution, and add undue pressure on feeder fish stocks.
But even with these conservation challenges in mind, aquaculture remains the only option for meeting future demand.
But so long as these aquaculture systems are embedded in coastal or freshwater environments, they will continue to contribute to habitat loss and ecological disruption.
For the long term, then, experts generally offer two ways forward: land-based recirculating systems and offshore aquaculture.
Both could potentially mitigate the negative externalities of aquaculture and make fish production sustainable well into the future.
In the first approach, fish farms would be moved from the ocean to recirculating aquaculture systems (RAS), in which fish are housed in indoor tanks that are regulated by pumps, heaters, aerators, and filters.
The other option is to move aquaculture in the opposite direction: out to sea.
In the United States, the aquaculture industry has started to move toward RAS production.
One of the primary problems with cleaner approaches to aquaculture is that they are energy-intensive.
Although open-ocean aquaculture should still require less diesel fuel than commercial fishing – and could run on renewable energy sources like solar, wind, or waves – offshore aquaculture is more energy-intensive than conventional fish farms.
And even if newer aquaculture systems can overcome their current operational and regulatory challenges, their biggest hurdle will be the unavailability of cheap, low-carbon energy.
As long as fossil fuels account for most global energy use, the environmental promise of next-generation aquaculture will go unrealized.
In the meantime, the aquaculture industry will need to make further investments and develop new innovations to put itself on a path to sustainability – be it on land or in the sea.
Salmon stocks are endangered up and down the West Coast of the US, and ecologically unsustainable aquaculture is now the major source of salmon supplies for restaurants and supermarkets.
A Red Cross-led mangrove restoration project in Vietnam not only reduced damage to dykes and other built infrastructure, but also resulted in higher aquaculture yields and thus more income for the local communities.
The burgeoning fishery and aquaculture sector is benefiting from species with better yields and greater resistance to disease and stress.
While fish stocks, for example, are depleted because of a lack of regulation, we can actually eat more fish than ever, thanks to the advent of aquaculture.
Improved aquaculture, in which fish are grown at manmade fishponds and reservoirs is still far from being a perfect technology, mainly for environmental reasons, yet it is enormously promising.
However, aquaculture refers to two fundamentally different kinds of operations.
One type of aquaculture is devoted to the farming of bivalves such as oysters and mussels, or to freshwater fish such as carp and tilapia.
Moreover, because this type of aquaculture is based predominantly in developing countries (mainly in China, but also in countries such as the Philippines and Bangladesh), it supplies cheap animal protein right where it is needed.
The second type of aquaculture entails the farming of carnivorous fish such as salmon or seabass, and increasingly, the fattening of wild tuna in captivity.
The more of this aquaculture there is, the less cheap fish, such as sardines, herring, mackerel, and anchovies, there will be for humans to buy and eat.
It has led to massive imports by developed countries--where this type of aquaculture predominates--of fishmeal from fish caught and ground up in developing countries.
What is the best way to develop aquaculture?
We represent countries that look extensively to the ocean for essential services and provisions, from aquaculture in the Norwegian fjords to tourism and fisheries off Palau.
For example, even as Bangladeshi women do more on farms, they are traditionally excluded from aquaculture.
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