| Main Title |
Microscopic Flora and Fauna of Tree Holes. |
| Author |
Lacker, James B. ;
|
| CORP Author |
Public Health Service, Cincinnati, Ohio. Stream Pollution Investigation Station. |
| Year Published |
1939 |
| Stock Number |
PB-215 137 |
| Additional Subjects |
( Aquatic microorganisms ;
Trees) ;
Algae ;
Phytoplankton ;
Protozoa ;
Ecology ;
Closed ecological systems ;
Tree holes ;
Tree stumps
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB-215 137 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
7p |
| Abstract |
Tree holes that contain water are rare. Occasionally one will be found which is in effect a permanent pool. With reference to their contained water they may be grouped roughly as those in the tops of living stumps, those in crotches or in the tops of protruding limbs or knots, and those in the sides of trees or limbs. Holes so far studied, with few exceptions, have contained rain water, that is, have been free from contamination by surface ground water. This report covers observations on 26 tree holes. About 140 species of algae and protozoa were recovered from these holes and are listed. |
| PUB Date Free Form |
1939, |
| Category Codes |
6F; 57H |
| NTIS Prices |
PC A02/MF A01 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
326540453 |
| Origin |
NTIS |
| Type |
CAT |
