Galapagos Threats Section

Galapagos Islands Environmental

Of course, a world that has created itself in such a remote and isolated realm is a delicate system. Humans and other factors have interrupted this system drastically. The ecosystem in the Galapagos took millions of years to evolve in an intricate and unique way.

There are a plethora of environmental problems plaguing the islands, some stemming from the pressures of world climate changes such El Niño (ENSO), others arising from commercial fishing, and overpopulation, and many resulting from the introduction of species by humans dating back to the 1800's. Another big problem the Galapagos Islands had to face was a big oil spill in 2001. Read here what impacts this incident had on the Islands.

El Niño

The global weather anomaly hit the Galapagos hard. While an entirely natural occurrence, the weather pattern took a vital part of the ecosystem out of the chain. Many fish searched for different waters to feed upon. The fur seals were most greatly affected as they depend on the fish closer to the surface. The surface waters were heated more during the attacks of El Niño, and the fur seals between ages 1-4 were virtually all wiped out. El Niño also affected coastal birds. The absence of fish in the coastal waters meant that many of the traditional nest areas for birds were abandoned.

Human Impact

While this unforgiving and uncontrollable force of nature has had a destructive impact on the Galapagos, many of the environmental issues facing the Galapagos originate from a potentially controllable source -human beings. The presence of people in the Islands has two sources: migration from the mainland and tourism.

  • Migration and Hawaiianization
    Hoping to find work, people from mainland Ecuador have literally invaded the Islands. The Galapagos population has increased over 300% in the past few decades. The 1990 census marks the population at 9, 735. Today, more than 25, 000 people live on the Islands. The population is doubling every eleven years, which means that there will be 40, 000 people on the Galapagos Islands by 2014. This affects the archipelago in a number of means. Aside from the pressure put on the natural resources, this large growth means that most of the garbage is dumped in an open air site and burned with no sort of treatment or separation.
  • Tourism
    For decades, tourists have marvelled at the rich flora and fauna of the Galapagos. Despite the high prices, the stream of visitors has never broke off. In the sixties, there have been about 1, 000 tourists per year, whereas there have been approximately 80, 000 visitors in 2001. A second airport was built and the construction of a third one is under discussion. The park service does a remarkable job of regulating the licensing of guides, as well as designating low-impact landing sites. The National Park charges a $100 entrance fee on foreign tourists, yet receives only 25% of that. Nevertheless, the park has to deal with the conservation problems that motor yachts and their trash bring to the island.
  • Over-fishing
    Recently, overfishing or illegal fishing has become a large issue. When migrants do not find work in tourism, they often find jobs in the fishing industry. The sea cucumber and sharks of the Galapagos have become alarming targets, both popular in Asian markets for their aphrodisiac or medicinal qualities. Due to the alarming decrease in the early 1990's an Executive Decree enforced by the National Park service banned all fishing of sea cucumbers in the Galapagos. Fishermen were not filled with enthusiasm. Although the ban has been replaced by a quota, there have continuously been strikes on the part of the fishermen. Only recently, in April 2004, angry fishermen besieged the Charles Darwin Station and demanded the right to use greater nets and longer lines. The seizure ended with an agreement signed between César Narváez (Ecuador's Minister of the Environment), and the artisenal fishermen. The conflict, however, is far from over.

Who came to the Islands first? Find out more about the human or also called modern history of the Galapagos Islands.

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Marine iguanas of the Galapagos islands - BBC wildlife
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