许多生态学家说，这些入侵物种仅次于栖息地的丧失，是对全球生物多样性的最大威胁。
Next to habitat loss, these invasive species represent the greatest threat to biodiversity worldwide, many ecologists say.
它在全球范围内催生了数千个项目，代表了民主政治、粮食主权、生物多样性和可持续农业。
It has given rise to thousands of projects around the globe, representing democratic politics, food sovereignty, biodiversity and sustainable agriculture.
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