Discover and read the best of Twitter Threads about #Tagus

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Rivers carry the living impressions of civilisations that have settled on their banks since the dawn of time, are home for unique flora and fauna. How can we better understand and protect them? #Vigilife has launched the #30sentinelrivers program with #eDNA. A thread 1/n ImageImage
By building an international network of partners and sharing #eDNA know-how, #Vigilife is establishing long term #monitoring programs, which will become a precious tool for safeguarding freshwater biodiversity.
1. The #Amazon: born out of the drying up of an inland sea, I am one of the longest rivers in the world. Together with my tributaries, I contain nearly 20% of the #biodiversity of all the rivers on earth and play an essential role in the global water cycle. Image
Read 33 tweets
A thread to cover some of the major - and I mean seriously, shockingly major - gaps, mistakes and problems with the #environmental impact assessment for Montijo airport in #Portugal.

First up: no #fieldwork. AT ALL. 1/
That's right – the EIA of a major international #airport proposed for the country’s most important #wetland site for #bird #conservation didn’t bother to actually count any #birds.

Instead, they depended on studies already published for other reasons.

How did that work out? 2/
Well, the data on birds feeding in the #intertidal- the largest and most important #habitat in the #SPA- was collected in 2002-3.

In the 17 years since, the #Tagus has changed a lot for birds. Improved #water treatment but drastic increase in #shellfish harvesting. 3/
Read 24 tweets

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