Biodiversity, or the variety of life, describes all life on earth – all animals and the habitats they live in - and is often used as an indicator of the state of the environment. A reduction in the level of biodiversity could signal a greater underlying problem in the health of the environment. Factors such as pollution, disturbance or land development can disrupt the natural balance between animals and their surroundings resulting in a loss of animals and therefore a loss of diversity.

The recent stranding of the rare Northern Bottlenose whale in the Thames River has renewed the public’s enthusiasm for whales and dolphins. It has also highlighted the threats these animals face and the need for action. Furthermore the interest shown by the general public in this animal’s plight provides an opportunity to highlight a number of related issues including the importance of maintaining biodiversity and protecting the natural world.

The reason this animal became lost is not clearly understood, but there is much speculation that the impact of human activities may have been at least in part to blame. There is evidence from previous strandings that excess noise can lead to whales becoming disorientated and lost, which can result in them stranding.

Although there was no happy ending for this northern bottlenose whale, other whales and dolphins may in fact benefit from this case. The revived interested in these animals has allowed a number of threats to their survival such as noise pollution and whaling to be highlighted again and may result in increased protection for these amazing animals. It has also drawn attention to the wider issue of the state of the environment and our impact on the wildlife.

Whales and dolphins like all other animals are dependant on where they live to provide them with the tools they need to survive. If their habitat is compromised in anyway this could potentially have significant repercussions.

The underwater world of whales and dolphins can seem very alien and distant, and it is easy to overlook it. However, it is important to understand that our actions have consequences and not only on the land, but also at sea. We must ensure we live our lives responsibly.

It is easy to forget that our quality of life is directly linked to the health of the environment and that the way we live our lives affects the natural world. Small changes in our lifestyle may not seem like much, but collectively they can make a huge difference. Anything from recycling rubbish to conserve the planet’s resources, to reducing pollution by not dropping litter or taking the bus instead of the car will all contribute to a healthier planet, making it a better place not only for the animals, but for us too.

Further information on local marine wildlife will be available at the Marine Life Awareness Night held on March 30th at the Maritime Museum (Link to poster)