Tag Archives: biodiversity loss

Livestock threatened by toxic invasive species on rangeland

Preface.  Will cattle, sheep,goats, and horses have to be raised on feed lots in the future to prevent range land poisoning from invasive plants? Each year poisonous plants adversely affect 3-5% of the cattle, sheep, and horses that graze western … Continue reading

Posted in Biodiversity Loss, BioInvasion, Farming & Ranching, Peak Food | Tagged , , , | 4 Comments

Climate Change dominates news coverage at expense of other existential planetary boundaries

Preface. In the half dozen science magazines and newspapers I get, almost the only environmental stories are about climate change. Yet there are 8 other ecological boundaries (Rockström 2009) we must not cross (shown in bold with an asterisk below) … Continue reading

Posted in Acidification, Biodiversity Loss, BioInvasion, Climate Change, Critical Thinking, Peak Oil, Planetary Boundaries | Tagged , , , , , , , | 17 Comments

We’ve taken over too much of the planet for pasture and crops

In the article “Primeval planet: What if humans had never existed?” by Christopher Kemp in NewScientist, these charts of increasing intensity of pasture and crop land from 5000 BC (18,000,000 population) until 2000 (6,150,000,000 people) show that humans are laying … Continue reading

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Invasive Species prevent new species from evolving: human induced mass extinction recovery will take longer than thought

Richard A. Kerr. February 10, 2012.More Than One Way for Invaders to Wreak Havoc.   Science: Vol. 335:646 Ravenous pythons and anacondas invading the Florida Everglades are ravaging the local ecology. But a study published last month suggests that invasive species … Continue reading

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