On measures towards marine
litter in Ise bay.
January 23, 2020
Mie Prefecture
Department of Environment and Lifestyle
Atmosphere and Water Environment Division1

Mie Prefecture and Ise Bay

Gifu
Prefecture

NaganoPrefecture

Aichi
Prefecture

IseBayMikawa Bay
Cape Irago

MiePrefecture

Cape Daio

Pacific Ocean
Note: everything that is not specified is a river name2

Marine litter situation in Mie prefecture

City of Toba, Toshijima island（Nasa beach）

3

Marine litter situation in Mie prefecture

City of Toba, Toshijima island（Nasa beach）October 8, 2017

Toshijima island（Nasa beach）
October 24, 2017Toshijima island （Momotorichoharbour） October 24, 20174

Marine litter treatment promotion law
July,2009, Marine litter treatment promotion law was officially enforced（Revised in June, 2019）
PurposeTo preserve the beautiful coastal scenery and oceanand coastline environment, aimed for harmonious treatment ofmarine litter and waste minimization.
Marine litter treatment promotion law points
Harmonious treatment of marine litter etc.
Supervisors of marine problems etc., specified by the law, must take required measures formarine litter treatment. ※Marine problems supervisors: prefectural and municipal riverdepartments, harbor departments, fisheries departments etc.

Reduction of marine litter etc.
National and regional official organizations work to prevent illegal waste disposal, such as
throwing away litter on the ground or in the rivers, and conduct research about marine
pollution.

Fiscal measures

The government must take required fiscal
measures to promote marine litter treatment.

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Measures towards marine litter in Mie Prefecture
2007

2008

2009

2010

2011

◆「Research on policy model for reducing marine litter in thecountry」(Ministry of the Environment 2007-2009)

Toshijima area in Mie prefecture selected as test area.
A fact-finding survey on marine litter carried out◆Conference in Toshijima, Marine
Litter Summit（Oct.2008）◆Marine litter treatment promotion law（officially enforced in July 2009）◆Green New Deal financial endowment in the area

（Ministry of the Environment 2009～2011）6

Measures towards marine litter in Mie Prefecture
2009

2010

2011

2012

2013

◆Green New Deal financial endowment in the area

（ Ministry of the Environment 2009～2011）◆ Survey on general marine litter situation（Mie pref., 93 beaches）

Detailed survey on marine litter（Ise bay, 14 beaches）
Survey on current state of litter in rivers （Ise bay, 21 rivers）etc（2009～2010）◆Conference on promoting marine litter treatment in Mie（2010.10～）; Area workshop （2010.9～◆Plan on promoting marine litter treatment in Mieprefecture（2012.3）◆Review meeting on marine litter treatment（Tokai 3 prefectures, 1 city, 2012.4）

7

Research on bottles washedonto beachline (2008)
Mobile phone

Lithium batteries

LitteraccumulationA survey was carriedout to find out pathsof litter drifting andpercentage of it
washed into theocean. To do that,drifting bottles withspecial transmitting
devices werereleased from themouths of 6 rivers
within Mie prefecture.

8

General survey on marine litter situation（2010）
40

Kuwanacity

City of Suzuka ④ Suzuka
beach(Minamiwakamatsudistrict)2010.Jul.26

35

Kawagoetown
Yokkaichicity

30
City of Toba ⑤Osatsu beach2010 Jul..30

Suzukacity

25
20

15
City of Shima② Daiobeach （ Nada district ）2010.Jul.30

10

Tsu city

5Toba city

City of Kumano ① Kumano
beach （ Suno district ）2010.Jul.26

Taiki
town

Kihokutown

Minamiise
town

City of Shima ④Shima beach（Kataka district） 2010.Jul. 26

Owasecity

Kiho
紀宝町
town

KumanoSea： >32bags／10ｍ

Kumanocity

Mihamatown

Ise bayShimacity：8～16bags／10ｍ
20km：2～4bags／10ｍ：1/2～1bags／10ｍ

伊勢湾（答志島除く）

Kumano Sea

Ise city

伊勢湾（答志島含む）

Ise bay (withoutToshijima)

0

Meiwatown

Ise bay (including
Toshijima island)

Matsusakacity

熊野灘

Average valueof litter volumeby the area（liter/10m）

9Detailed survey on marine litter（2009-2010）
Takamatsu Tidal
Flat

ChiyozakiSurvey location
Takamatsu Higata (Kawagoe town)
Chiyozaki (Suzuka city)
Tsuzumigaura (Suzuka city)
Gotenba (Tsu city)
Karasu (Tsu city)
Matsunase (Matsusaka city)
Ohyodo (Meiwa town)
Futamiura (Ise city)
Kozaki (Ise city)
Shie Arashima (Toba city)
Toba Shirahama (Toba city)
Chidorigahama (Toba city)
Agono Matsubara (Shima city)
Nasanohama (Toba city)

Tsuzumigaura

Gotenba
KarasuVolume(kg/100m2)
5463
101362132
1947196

Matsunase
OhyodoFutamiura
KozakiNasanohama

Shie Arashima
Toba Shirahama
Chidorigahama

Agono Matsubara10Types of marine litterOtherその他

Household
生活系5%1%

Fishing
漁業系
6%
Industrial
事業系
4%
Other

その他
Other(natural)
(自然)
82%

その他
(human-made)(人工)
2%※Average value of 8 times repeatedsurvey（weight ratio）

漂着物の分類Typesof beach litter
Drinking
plastic bottles
飲料用プラボトル
Food
packages/containers
食品の包装・容器
Daily
necessities
生活雑貨
ふた・キャップ
Capand covers
袋類(農業用以外)
Variousbags (excluding the agricultural)
生
飲料缶cans
Drinking活Household
くつ・サンダル
Shoes/sandals
系
苗木ポット
Saplingpots
飲料ガラス瓶Drinking
glass bottles
おもちゃ類
Various toys
ライター
Lighters
その他生活系
Other
household items
発泡スチロールフロート
Styrofoam
floats漁ロープ・ひもRopes/cords
業
うき・フロート・ブイ
Fishing Buoys
系
カキ養殖用パイプ
Pipes
for oyster farming
その他漁業系
Other fishing items
木材等事
Wood
業
農薬・肥料袋 bags
IndustrialPesticides/fertilizer
系
Otherindustrial items
その他事業系
BushNatural 灌木
自然
Driftwood
流木Hard plastic fragments
硬質プラスチック破片
そStyrofoam fragments
発泡スチロール破片
OtherのHumanPlastic sheets or bags fragments
人工
プラスチックシートや袋の破片
made他
Glass or ceramic fragments
ガラスや陶器の破片
Metal fragments
金属破片
その他
Other11

Measures of collecting/handling the litter

Volunteer cleanup activity（14 October 2019)

Watershed management authorities cleanup
activity（24 October 2019)12

Measures of waste minimization in Mie201320152014◆Local marine litter treatment
promotion project (funded project)2016201720182019◆ Local marine litter treatment promotion
project (subsidiary project)

Distribution of educational DVD（2013）（2014）

Trains and buses with wrap
advertisement
Cinema advertising
Educational campaign
Educational display items（2015）

Raising publicawarenessCinema advertising
Educational TV programs
Cinema advertising（2016）Marine litter Summit
Monitoring survey（2017） Educational campaign
Cinema advertising（2018） WEB Video Streaming（2013～ ）Marine litter monitoring survey for the purpose of waste reduction

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Litter floating in sea and washed ashore in Ise bay
Estimated places of disposal of lighterswashed onto the beach of Toshi island

Marine litter

Surveylocation

n=131●In certain place● In certain city

Litter washed ashore from the sea
Coastline litter problem▽Degradation of nature
attractions▽Litter caught during fishing▽Animals may swallow it or getstuck in it▽Very much time- and moneyconsuming labor to collect anddispose of it all

Source: Ministry of the Environment 「Survey of policy model for domestic
marine litter reduction」 review meeting materials.

Types of coastline litter

Industrial ・・・8%
Fishing・・・36%▲A seabird swallowed a loose
fish hook

Results of a survey on litter washed onto coasts revealed
that the coastline litter is disposed of in places remote fromthe sea and that it mostly consists of household trash. In
particular, PET bottles, food packages, containers, caps andcovers, daily necessities, various bags, empty cans, shoes
and sandals, sapling pots, glass jars, toys and more types ofthings are plenty.

Household・・・56%

Schemed results of a survey in 7 prefectures and 1 coastline. However, itexcludes broken pieces of plastic, etc.
Source: Ministry of the Environment brochure 「Think about marine litter.
What to do to save our seas?」

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Marine litter treatment promotion –Widecooperation（Tokai 3 prefectures, 1 city)「 Tokai 3 prefectures, 1 city prefectural
governors and mayors conference」■January 2012, suggestion
from Mie pref. to work
cooperatively on watershedmanagement■February, 2012, Tokai 3
prefectures, 1 city mutuallyagreed to work in cooperation

Carrying out「Review meeting on marinelitter Countermeasures」■First Review meeting onmarine litter treatment wascarried out in April 2012
■Annual meetings since2012
Contribution to Ministry’s 「Project of measures model for
waste reduction through municipalities cooperation」
2018-2020（3-year period）
Select key areas for Ise bay watershed management (Mie,Aichi,Gifu)

Making and distributing goods forraising awareness, local workshop■ This workshop’s purpose was understanding present
situation in watershed management in Ise bay. It is held
annually since 2015.

Propositions and recommendations
for the country■Suggestions are sent to the Ministryfrom the Conference on integrative
measures in Ise bay■It was held 6 times since 2012
■Lower burden on municipality withstable subsidy-based budget■Aim of the Ministry of the Environment

Promote wide-range waste reduction on internal islands andbeaches
Watershed management research・Marine littercooperation with neighboring prefectures■Understanding current situation with marine litter
fact-finding surveys on land, in rivers and in the sea■Measures for waste reduction(implementation of 3Rs, cleanup
activities, raising public awareness, etc.)
observe the result

To continue an efficient and successful promotion of marine litter treatment in Ise bay
tight cooperation with watershed managing municipalities is important.

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Thank you for your attention

January 14, 2019
Marine Litter Problem Symposium

To protect the beautiful nature of Mie
prefecture, we are continuously working on
improvement in dealing with marine litter.

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