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Animals such as sharks, penguins, turtles and other seagoing species could help humans monitor oceans. Pixabay

Sharks, penguins, turtles and other seagoing species could help humans monitor the oceans by transmitting oceanographic information from electronic tags, a new study suggests.

A team led by the University of Exeter in UK said animals carrying sensors can fill many of these gaps through natural behaviour such as diving under ice, swimming in shallow water or moving against currents.


“We want to highlight the massive potential of animal-borne sensors to teach us about the oceans,” said lead author David March from the University.

“This is already happening on a limited scale, but there’s scope for much more,” March said.

Thousands of marine animals are tagged for a variety of research and conservation purposes, but at present the information gathered isn’t widely used to track climate change and other shifts in the oceans.


These species can monitor the ocean by transmitting oceanographic information from electronic tags. Pixabay

Instead, monitoring is mostly done by research vessels, underwater drones and thousands of floating sensors that drift with the currents. However, large areas of the ocean still remain under-sampled – leaving gaps in our knowledge.

By comparing this with gaps in current observations by drifting profiling sensors (known as Argo floats) the researchers identified poorly sampled areas where data from animal sensors would help fill gaps.

“We looked at 183 species – including tuna, sharks, rays, whales and flying seabirds – and the areas they are known to inhabit. We have processed more than 1.5 million measurements from floating sensors to identify poorly sampled areas (18.6% of the global ocean surface),” March added.

These include seas near the poles (above 60º latitude) and shallow and coastal areas where Argo profilers are at risk of hitting the land.


Data collected by marine animals could also enhance oceans monitoring in other remote and critical areas such as tropical regions. Pixabay

According to the researchers, the Caribbean and seas around Indonesia, as well as other semi-enclosed seas, are good examples of places where Argo profilers struggle because of these problems.

Tagged seals in the poles have already complemented ocean observing systems because they can reach areas under ice that are inaccessible to other instruments.

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The study, published in the journal Global Change Biology, suggests data collected by turtles or sharks could also enhance ocean monitoring in other remote and critical areas such as tropical regions, with large influence on global climate variability and weather.

The researchers said their work is a call for further collaboration between ecologists and oceanographers. (IANS)


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The aim of the book is to teach children that families can exist in different forms, and show them how to accept the diversity in family backgrounds.

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Delhi-based author Pritisha Borthakur is set to release her new book, 'Puhor and Niyor's Mural of Family Stories'. The 1,404-word children's book was put together to address a new kind of societal debacle in the family system. The author says the aim is to teach children that families can exist in different forms, and show them how to accept the diversity in family backgrounds.

The author who named the book after her twin sons -- Puhor and Niyor -- is a parent who has seen and heard the tales of ridicule and discrimination suffered by many in India and beyond. She says the book is an artistic illustration for kids that details how different families can live and coexist. Whether it's children with two dads or two moms, children with a single dad or single mom, and even multiracial family units, Borthakur's book teaches love, understanding, and compassion towards unconventional families.

Beyond race, gender, color, and ethnicity which have formed the bases for discrimination since the beginning of time, this book aims to bring to light a largely ignored issue. For so long, single parents have been treated like a taboo without any attempt to understand their situations; no one really cares how or why one's marriage ended but just wants to treat single parents as villains simply for choosing happiness and loving their children.

Homosexual parents, a relatively new family system, is another form that has suffered hate and discrimination for many years. Pritisha emphasizes the need to understand that diversity in people and family is what makes the world beautiful and colourful. 'Puhor and Niyor's Mural of Family Stories' is a firm but compassionate statement against all forms of discrimination on the bases of sexual identity, gender, race, and even differences in background

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