Frédéric ZIEMSKI le 28/11/12
Bonjour à tous,White G.A. le 28/11/12
Ici, Mon fils et moi meme ons explorer cet eboulement de gauche. Des echinoderme de 4cm, en silex donc fossiles, en on etais extrait. CLIFF-EROSION Kingsdown cliffs. Kent. UK.3 General envirronment; and 'By measuring the quantity of chalk in their faeces' it was possible to work out the erosion the limpets were causing.
White G.A. le 28/11/12
Il y a 30 ans.By measuring the quantity of chalk in their faeces it was possible to work out the erosion the limpets were causing.
Patella vulgata. Humble limpet. Chalk guzzling gastropods, with tunneling piddocks and polydora worms, are nibbleing Beachy Head. E .Sussex.UK.201
Ici, Mon fils et moi meme ons explorer cet eboulement de gauche. Des echinoderme de 4cm, en silex donc fossiles, en on etais extrait. CLIFF-EROSION Kingsdown cliffs. Kent. UK.3 By measuring the quantity of chalk in their faeces it was possible to work out the erosion the limpets were causing.
Vincent MARAN le 28/11/12
BonjourBruno CHANET le 28/11/12
premières choses :Frédéric ZIEMSKI le 28/11/12
Je viens de retrouver ce post, est-ce la même chose ?
