ScienceDaily: Nature News |
- Ancient alga knew how to survive on land before it left water and evolved into the first plant
- Cryptic invasions by ecological engineers conceal profound changes in nature
- Simpler way to estimate feedback between permafrost carbon, climate
- Illegal trade contributes to placing cacti among world's most threatened species
| Ancient alga knew how to survive on land before it left water and evolved into the first plant Posted: 05 Oct 2015 12:14 PM PDT A team of scientists has solved a long-running mystery about the first stages of plant life on earth.  |
| Cryptic invasions by ecological engineers conceal profound changes in nature Posted: 05 Oct 2015 10:29 AM PDT A new study reveals that the salt marsh plant Spartina alterniflora, which grows on more than 9,000 km of the Atlantic coastline of South America, is not native to the area and was in fact introduced 200 years ago.  |
| Simpler way to estimate feedback between permafrost carbon, climate Posted: 05 Oct 2015 10:28 AM PDT A simple model of permafrost carbon based on direct observations has been developed by a team of scientists. Their approach could help climate scientists evaluate how well permafrost dynamics are represented in Earth system models used to predict climate change.  |
| Illegal trade contributes to placing cacti among world's most threatened species Posted: 05 Oct 2015 09:10 AM PDT Thirty-one percent of cactus species are threatened with extinction, according to the first comprehensive, global assessment of the species group. This places cacti among the most threatened taxonomic groups assessed on The IUCN Red List of Threatened Species -- more threatened than mammals and birds.  |
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