Saturday, April 20, 2024

The Great Barrier Reef

Written By Siroun Thacker (Grade 11)


The Great Barrier Reef, found off the northeastern coast of Australia, may be a natural wonder and one of the foremost differing and delicate environments on the planet. In any case, it is confronting an uncommon risk due to the impacts of climate change. Rising sea temperatures, sea acidification, coral bleaching, and extraordinary climate events are all results of climate change that are quickly breaking down the health and flexibility of this famous reef.

One of the foremost critical impacts of climate change on the Great Barrier Reef is the rising sea temperatures. Expanded greenhouse gas emanations have driven the catching of heat within the Earth’s environment, causing the warming of sea waters. The rising temperatures have negative results for the reef’s inhabitants, especially the coral. Corals have an advantageous relationship with little algae called zooxanthellae, which give them with supplements and dynamic colours. In any case, when water temperatures surpass their resistance threshold, corals remove this green growth, coming about in the coral dying. The Great Barrier Reef has experienced three major dying occasions within the final five a long time, causing noteworthy harm to the corals and their biological systems.

Climate change too leads to sea acidification, as excess carbon dioxide (CO2) within the environment is retained by the seas. When CO2 dissolves in seawater, it negatively responds with water molecules, forming carbonic corrosive acids. The expanded causticity is a danger to the reef’s delicate balance. Acidic waters make it challenging for corals to construct their calcium carbonate skeletons, which are imperative for their survival and development. As a result, the general wellbeing and biodiversity of the reef decrease, affecting different marine species that depend on the reef for protection and nourishment. Also, sea acidification influences the propagation and advancement of shell-forming living beings, such as molluscs and shellfish, assist in disturbing the reef’s complicated environment.

Coral dying, a result of rising ocean temperatures, may be a critical concern for the Great Barrier Reef. As water temperatures increase, corals lose their dynamic colours due to the ejection of their advantageous green growth. Without this green growth, corals gotten to be focused and defenceless to malady, blocking their capacity to recoup. Drawn out and extreme dying occasions have come about in massive coral die-offs, leading to the misfortune of critical habitats for various marine species. Besides, fading occasions are getting to be more visit and extreme, clearing out deficiently time for corals to recuperate between scenes. On the off chance that the current trend proceeds, it is assessed that the Great Barrier Reef could lose 95% of its corals by 2050, posing a grave danger to the complete biological system.

Climate change has also contributed to an increase within the recurrence and escalation of extreme climate events, such as tropical tornados and storms. These occasions pose critical dangers to the Great Barrier Reef. Tornados can cause physical harm to corals through strong winds and wave action, breaking apart delicate structures and diminishing the reef’s complexity. Moreover, extreme precipitation events can lead to freshwater runoff, carrying sediment, poisons, and excess nutrients into the sea. This influx of contaminants can adversely impact water quality and increment the chance of coral illnesses. The total impact of these extraordinary climate occasions advance debilitates the strength of the reef, making it progressively defenceless to other stressors like coral bleaching and sea acidification.

The Great Barrier Reef is an environmental magnum opus that is being pushed to the brink of collapse due to climate change. Rising sea temperatures, sea acidification, coral bleaching, and extraordinary climate occasions are all taking an extreme toll on this famous natural wonder. Pressing activity is required to moderate climate change by reducing greenhouse gas outflows and transitioning to a feasible future. Moreover, neighbourhood and worldwide endeavours must be heightened to protect and restore the reef’s health, including measures such as advancing feasible fishing practices, reducing pollution, and enhancing the reef’s resilience through rebuilding activities. As it were through collective activity can we protect the Extraordinary Boundary Reef for future eras and guarantee the survival of this priceless environment.


Featured Image Courtesy – National Geographic Survey



Siroun Thacker
Siroun Thacker
I'm from Nairobi, Kenya! Appreciating any and all forms of art, I personally love analysing poetry, reading dystopian books and experimenting with new genres of music! I live on old movies and musicals! Every evening you will find me staring at the sky admiring the various unique colours of a Kenyan sunset!!

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