• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Humans and the Galapogas Islands

Extracts from this document...

Introduction

HUMANS AND THE GALAPAGOS ISLANDS The Galapagos Archipelago is located on both sides of the equatorial line approximately 970 km (600 miles) west from continental Ecuador. Local time is -6 GMT. It is formed by thirteen greater islands, six smaller islands, 42 islets and several rocks, which cover a total area of 7,850 km². The largest island is Isabela, with a total area of 4,590 km² which presents the highest point of the archipelago, volcano Wolf, 1,690 meters. 97% of the total area of the isles belongs to the Galapagos National Park, the rest belongs to inhabited and developed areas. Delicate ecosystems are continually threatened by population pressures, tourism, introduced species, poaching and illegal fishing. Several animal species native to the Galapagos Islands are gradually disappearing as direct result of fishing and collecting. Illegal poaching of rare or even endangered species and the harvesting of several prized marine species are both on the rise, as international demand for local products such as sea cucumbers and shark fins has grown. ...read more.

Middle

The impact of alien mammals was illustrated by goats on the Island of Santiago. Some initially released in 1833 probably died out, but a further release of goats and some pigs in 1917 were so successful that by the 1970s up to 100,000 goats were roaming the island. They devastated the flora while at the same time allowing two alien herbs, which the goats do not like, to flourish. In 1972 there was still some wooded vegetation but by 2003 there was mainly grassland. A programme to eradicate all the goats and pigs on Santiago and Northern Isabela was undertaken and completed by 2006. On Pinta Island where one male and two female goats were introduced in 1959, by 1974 there were about 30,000 of them. These were eradicated and resulted in the start of such tremendous plant growth that it is now considered that some balance needs to be reached by an herbivorous species. ...read more.

Conclusion

The Foundation is part of a network of local and national organizations supporting Galapagos Island protection. For fifty years, CDF has worked closely with the Galapagos National Park Service (GNPS), the main government authority overseeing the safeguarding of the islands? natural resources, providing the results of scientific research to conserve this living laboratory. CDF?s mission is to provide knowledge and assistance through scientific research and complementary action to ensure the conservation of the environment and biodiversity in the Galapagos Archipelago. Within this context, the vision of the CDF for 2016 is to be the world's leading research institution dedicated to the conservation of the biological diversity and natural resources of Galapagos, and committed to building a sustainable and collaborative society to achieve this objective. The Galapagos Marine Reserve was established in 1998. Created as a "Protected Area", designed to protect the waters surrounding the Galapagos Islands and the resources they contain. The waters surrounding the Galapagos are home to 3000 species of marine plants and animals. The designation of the Galapagos Marine Reserve recognizes the principles of conservation, and creates the legal basis for such special treatment. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Genetics, Evolution & Biodiversity section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Genetics, Evolution & Biodiversity essays

  1. Marked by a teacher

    Epping Forest Coursework

    4 star(s)

    vary considerably, as the soil towards the bottom of the slope would have higher percentage moisture than the soil at the top. This would be due to the water travelling down the slope. This will help me to come to the conclusion that light intensity is probably the dependent factor when the height of bracken is being measured.

  2. Peer reviewed

    Is there a relationship between the girth of a tree trunk and the percentage ...

    4 star(s)

    however they do need some level sunlight in order to photosynthesise efficiently. In photosynthesis there are light-dependant reactions where energy from sunlight is transferred into the production of ATP, and the coenzyme NADP is reduced to NADPH. These two products are then used in the light-dependant reactions to reduce carbon dioxide to carbohydrate.

  1. Peer reviewed

    Problem - Maintaining the habitat of the capybara and breeding them for meat.

    4 star(s)

    They are easily located in the open area, rounded up and driven by mounted hunters to a prearranged spot. Here they are surrounded and the adults with cubs are slaughtered. This slaughter can be as many as 200 animals a day.

  2. Investigate how the height to width ratio of Limpets varies with distance from sea

    the result of Seaweed covering the Limpets, consequently reducing their exposure to light intensity. The seaweed demonated the rocky shore in a relativly flat location within the littoral zone, a suitable location because of the hourly tidal pattern resulting in this zone being submerged in water.

  1. Planning an investigation into salt marsh and sand dune vegetation.

    and/or lyme grass (Leymus arenarius). Plants stabilise the embryo dune with their roots and encourage accretion (sediment build-up) with their aerial parts (the bodies of the plants act like barriers to the movement of sand). In time the sand will build up and a mobile dune, dominated by marram will take the embryo dune's place.

  2. Free essay

    Outline the impact on the evolution of plants and animals of: ...

    * RNA: RNA is similar to DNA except that instead of deoxyribose as the sugar, it has ribose. It is single stranded, and instead of Thymine (T), there is Uracil (U). * mRNA: This is a type of ribonucleic acid.

  1. HSC maintaining a balance notes

    - bond between bases break and helix unzips - nucleotides are added to each side to produce identical strands of DNA - the resulting DNA are the chromatids that separate during cell division In sexual reproduction half the genetic info from each parent is passed onto the offspring.

  2. Free essay

    Darwin's Finches

    On Isla Wolf the Sharp Beaked Ground Finch is known as the "Vampire Finch" as it jumps on the backs of Masked Boobies and Red-Footed Boobies pecking at their flesh and feeding on their blood.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work