HomeAboutActivitiesMapsPhotosPublicationsNews
 
Home >> Plant species

Tag: Plant species

Estimated Loss of Plant Species 2000-2005 Estimated Loss of Plant Species 2000-2005
The present environmental situation – heavily influenced by climate change – could lead to a massive destruction of forests and the extinction of countless species. For example, modelling focusing on the Amazon region has indicated that 43 per cent of 193 representative plant species could become nonviable by the year 2095 due to the fact that changes in climate will have fundamentally altered the composition of species habitats (Miles...
20 Jun 2009 - by Philippe Rekacewicz assisted by Cecile Marin, Agnes Stienne, Guilio Frigieri, Riccardo Pravettoni, Laura Margueritte and Marion Lecoquierre.
3
Threatened higher plant species in Eastern European countries Threatened higher plant species in Eastern European countries
The information on the state of biodiversity from 22 Central and Eastern European and former Soviet countries was assembled on the occasion of the 5th Conference of Parties of the Convention on Biological Diversity in Nairobi May 15-26, 2000. It is a collaborative effort of the ENRIN national focal points of UNEP-GRID. This graphic shows threatened higher plant species in Eastern European countries.
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
3
Growth in number of marine species introductions Growth in number of marine species introductions
Number of new records of established non-native invertebrate and algal species reported in marine waters of North America, shown by date of first record, and number of new records of non-native marine plant species reported on the European coast, by date of first record.
30 Nov 2007 - by Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
3
Clearing invasive alien plant species Clearing invasive alien plant species
Despite the widespread distribution and extent of alien invasive species in South Africa, actions to control such plants have had some good results. In the fight against invasive alien plant species, the Working for Water programme has used various methods including mechanical methods, chemical methods, biological control, and integrated control.
21 Jun 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
3
Invasive alien plant species potential distribution Invasive alien plant species potential distribution
Alien plant species pose a major threat to South Africa’s native biodiversity. It is estimated that more than 9 000 plant species have been introduced so far. Of these, about 198 species are deemed invasive, covering 10 per cent of the country. Since the invasive plants grow by an estimated 5 per cent a year, their presence has dramatic effects on both native species and ecosystems as well as economic activities in the area. In particular, alien ...
21 Jun 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
3
Biodiversity threats Biodiversity threats
South Africa is recognised as the third most megadiverse country in the world. The abundance of biodiversity found within its borders covers an estimated ten per cent of the world’s plant species, seven per cent of all bird, six per cent of all mammal, and five per cent of all reptile species found on the planet. Due to various causes ranging from unsustainable land use and farming practices, to invasion by alien species and climate change, So...
21 Jun 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
3
Megafauna Megafauna
Forests that support Sumatran orangutans also harbour high numbers of other animal and plant species, including some of the most emblematic megafauna species in the world, the Sumatran tiger (Panthera tigris sumatrae), Sumatran elephant (Elephas maximus sumatranus) and Sumatran rhinoceros (Dicerorhinus sumatrensis).
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
3