54 resultados para Aquatic invertebrates
Resumo:
Mode of access: Internet.
Resumo:
Mode of access: Internet.
A classification of the larvae and puparia of the Syrphidae of Illinois, exclusive of aquatic forms.
Resumo:
Issued also as thesis (PH.D.) University of Illinois.
Resumo:
"August 1978."
Resumo:
Project SEDAN.
Resumo:
Project SEDAN.
Resumo:
"September 17, 1963."
Resumo:
Sponsored by NOAA/National Ocean Service, National Marine Pollution Program Office.
Resumo:
"November 1982."
Resumo:
Presented at the Olympia theater in conjunction with the Venice exhibit London International Exhibition.
Resumo:
Mode of access: Internet.
Resumo:
Made up set; supplied title.
Resumo:
Leaves variously numbered.
The role of aquatic vascular plants in the eutrophication of selected lakes in western Massachusetts
Resumo:
"A project supported under Section 100, Water resources research act of 1964 (p. L. 88-379."