http://www.vocabularyserver.com/gemet/pt/http://www.vocabularyserver.com/gemet/pt/xml.php?skosTema=5088balanço de matéria (biologia) http://www.vocabularyserver.com/gemet/pt/xml.php?skosTema=5088 parâmetros ecológicos BT http://www.vocabularyserver.com/gemet/pt/xml.php?skosTema=5088 equilíbrio biológico da água RT http://www.vocabularyserver.com/gemet/pt/xml.php?skosTema=5088 equilíbrio de nutrientes NT