SURFACE MOVEMENT RATES OF THE NEW-ZEALAND FLATWORM ARTIOPOSTHIA-TRIANGULATA - POTENTIAL FOR SPREAD BY ACTIVE MIGRATION

被引：21

作者：

MATHER, JG

CHRISTENSEN, OM

机构：

[1] Department of Zoology, Institute of Biology, University of Aarhus, Aarhus, DK-8000

来源：

ANNALS OF APPLIED BIOLOGY | 1995年 / 126卷 / 03期

关键词：

ARTIOPOSTHIA TRIANGULATA; NEW ZEALAND FLATWORM; SURFACE MOVEMENT RATES; ACTIVE MIGRATION; FAROE ISLANDS;

D O I：

10.1111/j.1744-7348.1995.tb05390.x

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Movement rates for the surface activity of the New Zealand flatworm Artioposthia triangulata (Dendy) (Tricladida: Terricola) were estimated under semifield conditions in the Faroe Islands. The distance travelled during 10 consecutive 1-minute periods per individual was measured from mucus trails left behind as the flatworms moved over black plastic sheeting sprayed with fine droplets of water. Adult specimens were found to crawl at rates of up to 28 cm min(-1) (almost 17 m h(-1)), whereas juveniles crawled at rates of between 3 and 4 cm min(-1) (approximately 2 m h(-1)). This study provides the first data concerning the potential for species spread by active migration.

引用

页码：563 / 570

页数：8

共 22 条

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[2]

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