POPULATION DISTRIBUTION OF THE FIELD RATS (Rattus argentiventer) AND THE LEVEL OF DAMAGE ON PLANTS

Rachmansyah, Ikhsan Lazuardi (2023) POPULATION DISTRIBUTION OF THE FIELD RATS (Rattus argentiventer) AND THE LEVEL OF DAMAGE ON PLANTS. Other thesis, UPN Veteran Yogyakarta.

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Abstract

One of the pests that attack rice in Indonesia is the field rat. The highest damage
intensity that can result in crop failure is caused by a high population of rats. Rats
like dirty places so they will nest around dirty irrigation and bunds. Rats can move
as far as 30-200m if there is a sufficient food source and will move as far as 700m
to find food sources. The purpose of this study was to determine the direction of rat
movement in relationship to the availability of food sources and habitat as well as
to examine the level of damage caused by rats. The research was conducted from
January 2023 to April 2023 in Pleret sub-district. This research is a descriptive and
exploratory study. The 1000m2 TBS was installed in the middle of the 225ha
observation area. Field rats were trapped using a TBS (Trap Barrier System). The
damage in TBS was observed using a diagonal sampling method. Damage outside
TBS was observed using the line transect method according to the 4 cardinal
directions with a distance of 250m, 500m, and 750m from TBS. Purposive sampling
was used to count active holes/active nests. Locations of active holes were mapped
using GPS. Rats that were caught showed fluctuating results, the highest catch was
at the rice aged of 12 weeks after planting. There was a rice plant damage in the
TBS occurred the rice enters 12 weeks after planting. There is no damage on the
rice plants around the TBS. In addition to rice crops, rats also attacked corn plant
and sugarcane crops which cause heavy damage to these crops. Rats made 157
active holes within observation area 225m. Rats make nests in rice field bunds,
irrigation embankments, and vacant land.
Keywords: rats, plant damage, habitat

Item Type:	Thesis (Other)
Uncontrolled Keywords:	rats, plant damage, habitat
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Faculty of Medicine, Health and Life Sciences > School of Biological Sciences
Depositing User:	A.Md Sepfriend Ayu Kelana Giri
Date Deposited:	05 Oct 2023 04:33
Last Modified:	05 Oct 2023 04:33
URI:	http://eprints.upnyk.ac.id/id/eprint/37846

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