Created on Thu Apr 25 2019 08:57:04 GMT+0000 (Coordinated Universal Time)
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Environmental Problems in Malaga
Coordinated by teacherD. Prados. I.E.S Costa del Sol.
1. Human Impact
2. Invasive Species
2.1. The Argentinian Parrot
2.2. Weevil Beetle
2.3. Tiger Mosquito
2.4. Zebra Mussel
3. Population Imbalances
3.1. Jellyfish Mauve Stinger
3.2. Processionary of the pine
4. From Dump to Natural Place
Is the set of effects produced by human activities on the Earth’s environment.
The oldest way humans have changed it was and still is: to convert forests into fields.
An invasive specie is a specie that is not native to a specific location.
That has a tendency to spread to a degree believed to cause damage to the environment, human economy or/and human health.
The natural distribution area of the Argentinean parrot (Myiopsitta Monachus) extends through the temperate and subtropical zones of South America.They were exported in huge quantities to various countries of the world for pet possession.The escape, mostly accidental, of individuals has allowed the establishment and expansion of the species in many countries.
1. Invasive Specie
Argentinean parrot is a potential transmitter of severe diseases to humans such as psitacosis, avian flu , or salmonellosis.
It seems that urban birds population has decreased by the attacks of the Argentinian parrot
It generates damages on crops and electric instalations among other things.
Invasive Species affect these three topics
It is a very noisy animal and causes a lot of discomfort at home.
A new pest endangers our palm trees A beetle native to tropical Asia, the Rhynchophorus ferrugineus or asiatic palm Weevil.The beetle has spread to many countries outside its natural range due to anthropic transport.
2. Invasive Specie
Given that many of the palm trees are in public spaces, a serious problem of road safety arises
Weevil causes damage to palms as it produces galleries running through the leaves, as well as the length of the trunk.
The money spent goes to replant fallen trees or measures to eliminate them
Consecuences in the palm trees
We have control measures like:
The tiger mosquito (Aedes albopictus) is a kind of nematocene midget.The tiger mosquito arrived at Spain during the summer of 2004 through the import of used tyres, transported from Asia.A decade later, it has invaded practically the entire Mediterranean coast.
3. Invasive Specie
The mosquito transmits diseases such as: Dengue, Yellow fever And these diseases cause: Swelling, Redness, Itching
The money that is spent on products to prevent or eliminate mosquitoes and diseases.Insect repellent, Mosquito nets, Medicines
Tiger Mosquito affects:
Symptoms on humans:
The zebra mussel (Dreissena polymorpha) is a bivalve mollusc of fresh and brackish water. It feeds on plankton and suspended organic matter.One scientific study has confirmed, thanks to genetic testing, that the plague arrived to Spain from France.
4. Invasive Specie
The quality of our waters is adversely affected by the waste produced by its decomposition.
It is a competitor with other native species for food sources and It increases the level of organic matter, affecting the quality of the continental waters.
It is located in tangles and swamps, has caused damages of billions euros.
It is included in the list of the most harmful invasive alien species in the world of the International Union for Conservation of Nature.
These are the problems caused in hydroelectric infrastructures:
A delicate balance must exist among all living things in order to sustain healthy ecosystems, unfortunately that balance has been modified by human involvement.
Caused by many factors like:
• Dissapearance of predators• Climate Change• Water contanimation
Problems with Native Species
Mauve Stinger Jellyfish
This specie of jellyfish, (Pelagia Noctiluca) known in Europe as the mauve stinger, is distributed in all warm and temperate waters of the world's oceans, including the Mediterranean Sea.
1. Population Imbalance
Dissapearance of predators
The main predators of jellyfish are disappearing, either by pollution or by fishing, among other factors.
Increasing temperatures as a consequence of climate change increases phytoplankton, favorite food of the jellyfish.
The causes are:
The Processionary of the Pine
The processionary of the pine (Thaumetopoea pityocampa)It is considered as the most important defoliator insect of the Spanish pine forests
2. Population Imbalance
The processionary is the first Spanish forest pest, seriously damaging the foliation, weakening the trees, and opening the way to other opportunistic plagues.
Effects on the pine trees
Effects on humans
Caterpillars (larvae) are covered with stinging hairs that come off and float in the air, so they can cause irritation in the ears, nose and throat, as well as intense allergic reactions.
The Desembocadura del Guadalhorce is formed by a series of man-made lakes.
The Estuary of Guadalhorce: from dump to Natural Place
The Regeneration of Nature
It is registered in the List of Wetlands of Andalusia, comprises up to five permanent lakes.
Nowadays is one of the best places to spend a day with your family or friends.
Guadalhorce Natural Park
Thank you very much for your attention
María Barea AndradesDavid Olmedo Canto
Iasi meeting May 2019