Why is biodiversity important Arctic Ocean?

Why is biodiversity in the Arctic important?

The Arctic is often perceived as a harsh environment. … In all, the Arctic is home to more than 21,000 known species of highly cold-adapted mammals, birds, fish, invertebrates, plants and fungi and microbe species. This extensive biodiversity provides essential services and values to people.

How does biodiversity affect the Arctic?

Climate change caused by human activities is by far the worst threat to biodiversity in the Arctic. … “An entire bio-climatic zone, the high Arctic, may disappear. Polar bears and the other highly adapted organisms cannot move further north, so they may go extinct.

What is the most important aspect of Arctic oceans biodiversity?

It is the most extreme ocean in regard to the seasonality of light and its year-round existing ice cover. Arctic seas hold a multitude of unique life forms highly adapted in their life history, ecology and physiology to the extreme and seasonal conditions of this environment.

Why is biodiversity important in the ocean?

Healthy marine ecosystems are important for society since they provide services including food security, feed for livestock , raw materials for medicines, building materials from coral rock and sand, and natural defenses against hazards such as coastal erosion and inundation. …

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What is the biodiversity of the Arctic tundra?

The biodiversity of the tundras is low: 1,700 species of flora and only 48 land mammals can be found, although thousands of insects and birds migrate there each year for the marshes. There are few species with large populations.

Is biodiversity high or low in the Arctic?

In general, species richness is lower in the Arctic than in more southerly regions (Fig. 2.1). This is consistent with the general observation that biodiversity declines from the Equator to the poles (Rosenzweig 1995, Gaston & Blackburn 2000, Willig et al. 2003).

Why is biodiversity low in the tundra?

Biodiversity, the amount and variety of life in this tundra environment, is low because; 1. The temperatures and precipitation in these tundra areas are both LOW, and these abiotic factors mean that this is a very difficult environment for life to survive, as there is minimal water and sunlight available for survival.

Why do arctic ecosystems dependent on marine ecosystems?

Arctic marine ecosystems are important constituents of global biodiversity. … The marine Arctic also provides habitat for large populations of marine mammals and birds (see Reid et al., Chapter 3 and Ganter & Gaston, Chapter 4), some of which form colonies that are among the largest seabird colonies on the planet.

How much biodiversity is in the Arctic Ocean?

The currently known Arctic species richness estimate includes close to 2,000 phytoplankton taxa, over 1,000 ice-associated protists, greater than 50 ice-associated metazoans, ~ 350 multicellular zooplankton species, over 4,500 benthic protozoans and invertebrates, at least 160 macro-algae, 243 fishes, 64 seabirds, and …

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What are the examples of high biodiversity explain why you classify them as high biodiversity?

Example of ecosystem with high biodiversity is tropical rain forest as seen in Amazon basin of south America. Such forests are also thriving in parts of central Africa and also in islands of Indonesia. In marine environment, coral reefs are example of high biodiversity aquatic ecosystems.