au.\*:("HECKMAN CW")
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THE SEASONAL SUCCESSION OF SPECIES IN A RICE PADDY IN VIENTIANE, LAOS = SUCCESSION SAISONNIERE DES ESPECES DANS UNE RIZIERE DE VIEN-TIANE, LAOSHECKMAN CW.1974; INTERNATION. REV. GES. HYDROBIOL.; DTSCH.; DA. 1974; VOL. 59; NO 4; PP. 489-507; BIBL. 1P.1/2Article
THE RECOVERY OF THE BIOTIC COMMUNITY IN A LOTIC FRESHWATER HABITAT AFTER EXTENSIVE DESTRUCTION BY CHLORINEHECKMAN CW.1983; INTERNATIONALE REVUE DER GESAMTEN HYDROBIOLOGIE; ISSN 0020-9309; DDR; DA. 1983; VOL. 68; NO 2; PP. 207-226; BIBL. 1 P.Article
ECOPHYSIOLOGICAL AND PHYLOGENETIC CHARACTERIZATION OF A WINTERTIME BIOTIC COMMUNITY IN SHALLOW FRESHWATER HABITATS NEAR HAMBURGHECKMAN CW.1982; INT. REV. GESAMTEN HYDROBIOL.; ISSN 0020-9309; DDR; DA. 1982; VOL. 67; NO 3; PP. 361-386; BIBL. 2 P.Article
RICE FIELD ECOLOGY IN NORTHEASTERN THAILAND. THE EFFECT OF WET AND DRY SEASONS ON A CULTIVATED AQUATIC ECOSYSTEMHECKMAN CW.1979; MONOGR. BIOL.; NLD; DA. 1979; VOL. 34; 234 P.; BIBL. 10 P.Serial Issue
LONG TERM EFFECTS OF INTENSIVE PESTICIDE APPLICATIONS ON THE AQUATIC COMMUNITY IN ORCHARD DRAINAGE DITSCHES NEAR HAMBURG, GERMANYHECKMAN CW.1981; ARCH. ENVIRON. CONTAM. TOXICOL.; ISSN 0090-4341; USA; DA. 1981; VOL. 10; NO 4; PP. 393-426; BIBL. 41 REF.Article
THE BIOTA OF A SMALL STANDING WATER ECOSYSTEM IN THE ELBE FLOOD PLAIN: THE ROLE OF DISTRICTS FREE FROM PESTICIDE SPRAYS AS HAVENS FOR ENDANGERED AQUATIC SPECIESCASPERS H; HECKMAN CW.1982; ARCH. HYDROBIOL., SUPPL.; ISSN 0341-2881; DEU; DA. 1982; VOL. 61; NO 3; PP. 227-316; ABS. GER; BIBL. 5 P.Article
ECOLOGY OF ORCHARD DRAINAGE DITCHES ALONG THE FRESHWATER SECTION OF THE ELBE ESTUARY: BIOTIC SUCCESSION AND INFLUENCES OF CHANGING AGRICULTURAL METHODSCASPERS H; HECKMAN CW.1981; ARCH. HYDROBIOL., SUPPL.; ISSN 0341-2881; DEU; DA. 1981; VOL. 43; NO 4; PP. 347-486; ABS. GER; BIBL. 8 P.Article