the riparian buffer zone

THE RIPARIAN BUFFER ZONE
What Role Does it Play?
UÊ*ÀœÛˆ`iÃÊÃÌÀi>“‡L>˜ŽÊÃÌ>LˆˆÌÞÆ
UʈÌiÀÃÊ«œÕÌ>˜ÌÃÆ
UÊLÜÀLÃÊ̅iʘÕÌÀˆÌˆÛiÊii“i˜ÌÃʘiViÃÃ>ÀÞÊ̜Ê̅iÊ}ÀœÜ̅Ê
ÊʜvÊLÕi‡}Àii˜Ê>}>iÆ
UÊ,i`ÕViÃʜÛiÀ>˜`ÊÀ՘œvvÆ
UÊ,i`ÕViÃÊiÀœÃˆœ˜ÊœvÊޜÕÀʏ>˜`Æ
UÊ*ÀœÛˆ`iÃÊvœœ`Ê>˜`ʅ>LˆÌ>ÌÃÊvœÀÊ̅iÊ܈`ˆviÆ
OBV Côte-du-Sud
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œ˜ÌÀˆLÕÌiÃÊ̜Ê̅iÊ>µÕ>̈VÊi˜ÛˆÀœ˜“i˜Ì½ÃÊ}œœ`ʅi>Ì…Æ
UʘVÀi>ÃiÃÊ«>˜ÌÊ>˜`Ê>˜ˆ“>Ê`ˆÛiÀÈÌÞÆ
UÊ*ÀiÛi˜ÌÃÊyœœ`ÃÆ
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UÊ,i`ÕViÃÊÃ>˜`‡VœÛiÀˆ˜}Ê>˜`Ê̅iÊVœÃÌʜvÊVœ˜ÃÌÀÕV̈œ˜ÊܜÀŽ°
What Is a Riparian buffer zone?
A riparian buffer zone is a natural and permanent vegetation strip
bordering a water body. It represents a transition area between
land and water.
Erosion: `iÌiÀˆœÀ>̈œ˜ÊœvÊ̅iʏ>˜`½ÃÊÃÕ«iÀwVˆ>ÊÊ
Ê
>ÞiÀÊLÞÊ܈˜`]ÊÀ>ˆ˜]ʈVi]Ê>˜`ÊyœÜˆ˜}Ê
water.
The riparian
buffer zone
offers many
advantages for
riparian owners.
As per the Policy for the protection of riverbanks, shore areas and floodplains, its width ranges between a minimum of 10 to 15 meters,
depending upon the slope of the terrain. To be effective, the riparian buffer zone should consist of herbaceous plants, shrubs and trees
native to Québec.
Why Do We Promote Preservation and Landscaping
of the Riparian buffer zones?
Shore:
Because the shore assumes many functions necessary to ensure
the health of a water body, and that the majority of our interven‡
̈œ˜ÃÊ܈̅ˆ˜Ê̅iÊ>µÕ>̈VÊi˜ÛˆÀœ˜“i˜ÌÊ>Àiʓ>`iÊiˆÌ…iÀʜ˜Ê̅iÊŜÀiÊ
or within the portion of the shoreline near the shore.
Shoreline: water area that extends from the
Ê
…ˆ}…‡Ü>ÌiÀʓ>ÀŽÊ̜Ê̅iÊVi˜ÌÀiʜvÊ̅iÊÊ
water body.
land strip bordering a water body.
THE RIPARIAN BUFFER ZONE
+ÕjLiV½ÃÊ ˜œ˜‡˜>ۈ}>LiÊ >˜`Ê ˜œ˜‡yœ>Ì>LiÊ >ŽiÊ œÀÊ ÃÌÀi>“Ê ŜÀiÃÊ
…>ÛiÊLii˜Ê«ÀœÌiVÌi`ÊȘViÊ£nnn]ÊLÞÊ̅iʺ,jÃiÀÛiÊ`iÃÊÌÀœˆÃÊV…>Š˜iû]Ê
which vested ownership of a riparian buffer zone of approximately
60 meters to the provincial State. The automatic reservation of a
Àˆ«>Àˆ>˜ÊLÕvviÀÊ✘iÊÜ>Ãʈ˜Ìi˜`i`Ê̜Êv>VˆˆÌ>ÌiÊwň˜}Ê>˜`Ê«ÀiÃiÀÛiÊ
̅iÊi˜ÛˆÀœ˜“i˜ÌÊ>˜`Ê̅iÊ܈`ˆviʅ>LˆÌ>Ì°Ê œÊVœ˜ÃÌÀÕV̈œ˜ÊܜÀŽÊVœÕ`Ê
Liʈ˜ˆÌˆ>Ìi`Ê܈̅œÕÌÊ>Õ̅œÀˆâ>̈œ˜ÊvÀœ“Ê̅iÊ-Ì>Ìi°Ê/…iʺ,jÃiÀÛiÊ`iÃÊ
ÌÀœˆÃÊV…>Š˜iûÊÜ>ÃÊ>LœˆÃ…i`ʈ˜Ê£™nÇ]Ê>˜`ʜܘiÀň«ÊœvÊ̅iÊÀˆ«>Àˆ>˜Ê
buffer zone was “devolved” to the riparian owners.
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CAPSA
Did you know that...
The more the shores are vegetated, the stronger
̅iÊ«ÀœÌiV̈œ˜ÊœvÊ̅iʏ>ŽiÃÊ>˜`ÊÃÌÀi>“Ãt
ÊÊÊÊÊÊÊÊÊÊÊÊʇÊ
…œµÕiÌÌiÊ­Óään‡ä™®Ê‡
What can I do to prepare the riparian buffer zone
for my own land property?
OBV Côte-du-Sud
Comité de l’environnement du Lac Roxton
There are two ways to create a riparian buffer zone. The simplest is
̜ʏiÌʘ>ÌÕÀiÊÌ>ŽiʜÛiÀÊLÞʘœÌʓœÜˆ˜}Ê̅iÊ«œÀ̈œ˜ÊœvÊޜÕÀʏ>˜`Ê̅>ÌÊ
LœÀ`iÀÃÊ̅iʏ>ŽiʜÀÊÃÌÀi>“Ê­
œ˜ÃՏÌÊ܈̅ÊޜÕÀʓ՘ˆVˆ«>ˆÌÞÊ̜ʎ˜œÜÊ
̅iÊ`ˆÃÌ>˜ViÃÊ̜ÊLiÊÀiëiVÌi`®°Ê/…ˆÃÊÀ>̅iÀÊ«>ÃÈÛiÊ>V̈œ˜ÊˆÃÊV>i`Ê
Ài‡˜>ÌÕÀ>ˆâ>̈œ˜Ê >˜`Ê …>ÃÊ Ì…iÊ >`Û>˜Ì>}iÊ œvÊ iÌ̈˜}Ê ˜>ÌÕÀiÊ V…œœÃiÊ
the vegetation for the future riparian buffer zone. In this manner,
whatever species grows will be well adapted to the local conditions
œvÊޜÕÀÊ>Ài>°Ê/…iʜ̅iÀʓi̅œ`ʈÃÊ̜ÊÀi‡Ûi}iÌ>ÌiÊ̅iÊŜÀi°Ê1˜ˆŽiÊ
Ài‡˜>ÌÕÀ>ˆâ>̈œ˜]ÊܓiÊܜÀŽÊˆÃÊÀiµÕˆÀi`Ê̜ʫ>˜ÌʅiÀLÃ]ÊÅÀÕLÃÊ>˜`Ê
trees native to Québec.
!
CAUTION
˜ÊÈÌÕ>̈œ˜ÃÊ܅iÀiʓ>œÀʏ>˜`ÃV>«ˆ˜}ÊܜÀŽÊˆÃÊÀiµÕˆÀi`Ê
or to resolve a particular problem, it is recommended to
Vœ˜Ì>VÌÊ>ÊëiVˆ>ˆÃÌʜÀÊޜÕÀʏœV>Ê"6°
/œÊ w˜`Ê œÕÌÊ Ü…ˆV…Ê ëiVˆiÃÊ >ÀiÊ ÀiVœ““i˜`i`Ê vœÀÊ
Àˆ«>Àˆ>˜Ê LÕvviÀÊ âœ˜iÃ]Ê Vœ˜ÃՏÌÊ Ì…iÊ º,j«iÀ̜ˆÀiÊ `iÃÊ
végétaux recommandés pour la végétalisation des
L>˜`iÃÊ ÀˆÛiÀ>ˆ˜iÃÊ `ÕÊ +ÕjLiV»]Ê ˆÃÃÕi`Ê LÞÊ Ì…iÊ "+Ê
­i`iÀ>̈œ˜Ê œvÊ œÀ˜>“i˜Ì>Ê …œÀ̈VՏÌÕÀi®Ê >˜`Ê +**Ê
­ÃÜVˆ>̈œ˜ÊœvʘÕÀÃiÀÞÊ}>À`i˜Ê«Àœ`ÕViÀî°Ê``ˆÌˆœ˜>Ê
reading references listed at the end of this fact sheet
܈ÊŜÜÊ̅iÊÜiLʏˆ˜ŽÊ̜ÊVœ˜ÃՏÌÊ̅ˆÃʈÀiV̜ÀÞ°
ÊÀˆ«>Àˆ>˜ÊLÕvviÀÊ✘iÊ`œiÃʘœÌʘiViÃÃ>ÀˆÞÊLœVŽÊޜÕÀÊۈiÜÊ̜Ê̅iÊÜ>ÌiÀÊLœ`Þ°
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THE RIPARIAN BUFFER ZONE
Be careful of invasive species!
Many plant species from other countries or from a region outside
œvÊ+ÕjLiVÊ­˜œ˜‡˜>̈Ûi®Ê…>ÛiÊëÀi>`Ê̅ÀœÕ}…œÕÌʜÕÀÊ«ÀœÛˆ˜Vi°Ê6iÀÞÊ
often accidentally introduced by humans, they can be harmful to
our health, environment and economy. If the circumstances are
favourable, these species can spread and integrate new habitats,
overrun them and disrupt the natural environments.
iœÜʈÃÊ>ʏˆÃÌʜvÊÓäÊiݜ̈VÊ«>˜ÌÃÊ̅>ÌÊV>˜ÊLiÊvœÕ˜`ʈ˜Ê+ÕjLiVÊ>˜`Ê
Vœ˜Ãˆ`iÀi`Ê «iÀÛ>ÈÛi°Ê œÊ ˜œÌÊ >œÜÊ Ì…i“Ê ÌœÊ }ÀœÜÊ œ˜Ê ̅iÊ Àˆ«>Àˆ>˜Ê
LÕvviÀÊ✘i]ʜ˜ÊޜÕÀÊ«Àœ«iÀÌÞʜÀʈ˜Ê̅iÊÜ>ÌiÀtʜÀÊ>``ˆÌˆœ˜>Êˆ˜vœÀ“>‡
̈œ˜Êœ˜Ê̅iʏˆÃÌi`Ê«>˜ÌÃ]ÊÀiviÀÊ̜Ê̅iʺ-Õ««i“i˜Ì>Ê,i>`ˆ˜}»ÊvœÕ˜`Ê
at the end of this fact sheet.
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Giant hogweed
œÜiÀˆ˜}ÊÀÕÅÊ
>˜ÜœÀÌ
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œ}‡ÃÌÀ>˜}ˆ˜}Êۈ˜i
Brazilian elodea
9iœÜÊyœ>̈˜}ʅi>ÀÌ
Þ`Àˆ>ÊÛiÀ̈Vˆ>Ì>ÊÜ>ÌiÀÜii`
Exotic and Pervasive Species:
Species that propagated beyond its natural range
­`ÕiÊ̜ʅՓ>˜Ê>V̈ۈÌÞ®]Ê̜ʘiÜÊÀi}ˆœ˜Ã°Ê
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The Riparian buffer zone, There’s More!
It is wrong to believe that preservation or landscaping of a
Àˆ«>Àˆ>˜ÊLÕvviÀÊ✘iʈÃÊ̅iʜ˜ÞÊ܏Ṏœ˜Ê̜ʈ“«ÀœÛiÊ̅iʵÕ>ˆÌÞʜvÊ
our water bodies. The riparian buffer zone must be prepared in
Vœ˜ViÀÌÊ܈̅ʜ̅iÀÊi˜ÛˆÀœ˜“i˜Ì‡vÀˆi˜`ÞÊ>V̈œ˜ÃÊ̅ÀœÕ}…œÕÌÊ̅iÊ
watershed.
When landscaping your property, it is important to adopt
}œœ`Ê>˜`ʜ˜}œˆ˜}Ê«À>V̈ViðÊ/…iÃiʅ>LˆÌÃʈ˜VÕ`iÊivwVˆi˜ÌÊ
“>˜>}i“i˜ÌÊ œvÊ Ì…iÊ Ü>ÌiÀÃÊ yœÜˆ˜}Ê œ˜Ê ޜÕÀÊ «Àœ«iÀÌÞÊ LÞÊ
ÕȘ}Ê̅iÊ>««Àœ«Àˆ>ÌiÊÌiV…˜ˆµÕiÃÊ>˜`Ê«Àœ`ÕVÌÃÊ̜ʓ>ˆ˜Ì>ˆ˜Ê
ޜÕÀʏ>˜`ʜÀÊÀiÈ`i˜Vi]ÊLÞʎii«ˆ˜}Ê>˜ÊiÞiʜ˜Ê«iÀÛ>ÈÛiÊ«>˜ÌÊ
ëiVˆiÃ]Ê>˜`ÊLÞʎii«ˆ˜}ʈ˜vœÀ“i`ʜ˜Ê>Ê̜«ˆVÃÊÀi>Ìi`Ê̜ʏˆviÊ
near the shoreline. Each riparian resident must do his part to
protect his lake or stream.
European frogbit
Kudzu
ÕÀ>È>˜ÊÜ>ÌiÀ‡“ˆvœˆ
`iÀÊLÕVŽÌ…œÀ˜
ÕÀœ«i>˜ÊLÕVŽÌ…œÀ˜
ÀˆÌ̏i‡i>Ûi`ʘ>ˆ>`
ÕÀÞ‡i>Ûi`Ê«œ˜`Üii`
œ““œ˜ÊÜ>ÌiÀÊÀii`
>«>˜iÃiʎ˜œÌÜii`
*ÕÀ«iʏœœÃiÃÌÀˆvi
*ÕÀ«iʏœœÃiÃÌÀˆvi
N. Doyon
N. Doyon
COBARIC
The riparian
buffer zone is not
an alternate
solution!
>«>˜iÃiʎ˜œÌÜii`
Ê̅iÊÃÌ>Ži…œ`iÀÃÊ­ÀiÈ`i˜Ìˆ>]ÊVœ““iÀVˆ>]ʈ˜`ÕÃÌÀˆ>]Ê
v>À“ˆ˜}]Ê iÌV°®Ê œvÊ >Ê Ü>ÌiÀÅi`Ê >ÀiÊ Ài뜘ÈLiÊ vœÀÊ Ì…iÊ
µÕ>ˆÌÞʜvÊ̅iÊÜ>ÌiÀÊLœ`Þ]ÊLÕÌÊޜÕÊ>ÀiÊ̅iÊwÀÃÌÊ>vviVÌi`Ê
܅i˜Ê >Ê «ÀœLi“Ê œVVÕÀÃÊ ­i°}°Ê LÕi‡}Àii˜Ê >}>i®°Ê Act
responsibly and set an example by preserving a riparian
buffer zone!
THE RIPARIAN BUFFER ZONE
Everyone is taking on their share...
Good practices for the riparian owner to maintain
a healthy environment.
iÀiÊ >ÀiÊ >Ê viÜÊ iÝ>“«iÃÊ œvÊ >V̈œ˜ÃÊ >VVœ“«ˆÃ…i`Ê LÞÊ œÌ…iÀÊ Vœ“‡
munities in order to protect the water bodies.
U Avoid planting invasive exotic species, even if they are
«ÀiÌÌÞÆ
Agricultural Sector: preparation of the riparian buffer zones located
near the streams, adherence to manure standards (application pe‡
Àˆœ`Ê>˜`ʵÕ>˜ÌˆÌˆiÃÊÃ̜Ài`®]ʅÞ`Àœ‡>}ÀˆVՏÌÕÀ>Ê`iÛiœ«“i˜ÌÃIÊ­À՘‡
œvvÊ>˜`ÊiÀœÃˆœ˜Ê“>˜>}i“i˜Ì®]Ê*Àˆ“i‡6iÀÌÊ*Àœ}À>“I]ÊiÌV°Ê
UÊ 7ˆÌ…Ê…i>ÛÞÊiµÕˆ«“i˜Ì]Ê/6ÃʜÀʜ̅iÀ]ÊVˆÀVՏ>ÌiʜÕÌÈ`iÊ̅iÊÊÊ
Àˆ«>Àˆ>˜ÊLÕvviÀÊ✘iÆ
UÊ œÊ˜œÌÊÕÃiÊviÀ̈ˆâiÀʜ˜Ê̅iÊÀˆ«>Àˆ>˜ÊLÕvviÀÊ✘iÊ>˜`Ê>ۜˆ`Ê
viÀ̈ˆâˆ˜}ÊLœÀ`iÀˆ˜}Ê>Ài>ÃÆ
Municipal Sector: preparation of retention basins, green roofs and
rain gardens, ground permeabilization, standardization of outdated
œÀÊLÀœŽi˜Êœ˜ÃˆÌiÊÃÞÃÌi“Ã]ÊVÀœÃÇVœ˜˜iV̈œ˜ÃÊ`ˆÃ«œÃ>Ê«Àœ}À>“]ÊiÌV°
UÊ 1ÃiÊLˆœ`i}À>`>LiÊ>˜`Ê«…œÃ«…>Ìi‡vÀiiÊ«Àœ`ÕVÌÃÆ
Industrial Sector\Ê i˜ÛˆÀœ˜“i˜Ì>Ê ViÀ̈wV>̈œ˜]Ê i˜ÛˆÀœ˜“i˜ÌÊ >˜`Ê
Ü>ÌiÀÊvœÕ˜`>̈œ˜ÃÊ­i°}°Ê >Þ>Ê՘`®]ʈ˜ÌiÀ˜>ÊÜ>ÃÌiÜ>ÌiÀÊÌÀi>̓i˜ÌÊ
and recycling, sustainable practices for lands bordering water
bodies in woodlands and mining environments, etc.
UÊ ˆ“ˆÌÊ̅iÊ܈`̅ÊvœÀÊ̅iÊ>VViÃÃÊ«>̅Ê̜Ê̅iÊÜ>ÌiÀÆ
UÊ Õˆ`ʓi>˜`iÀˆ˜}Ê«>̅ÃÊÀ>̅iÀÊ̅>˜ÊÃÌÀ>ˆ}…Ìʜ˜iÃÆ
U >ۜÕÀÊ«iÀ“i>LiÊÃÕÀv>ViÃÊ­}À>Ûi]ʏ>ܘ]Ê«>˜ÌÃ]ÊiÌV°®Æ
Commercial Sector\Ê Lˆœ`i}À>`>LiÊ >˜`Ê «…œÃ«…>Ìi‡vÀiiÊ «Àœ`ÕVÌÃ]Ê
ViÀ̈wi`Ê >Õ̜˜œ“œÕÃÊ «ÕÀˆwV>̈œ˜Ê ÃÞÃÌi“Ã]Ê Vœ““iÀVˆ>Ê «ÀœiVÌÃÊ
ÃÕL“ˆÌÌi`Ê̜Ê̅iÊ*]Êi˜ÛˆÀœ˜“i˜Ì>ÊViÀ̈wV>̈œ˜Ã]ÊiÌV°Ê
U œ˜ÌÀœÊœÛiÀ>˜`ÊÀ՘œvvʜvÊÀ>ˆ˜Ü>ÌiÀÆ
UÊ *ÀiÃiÀÛiÊ>ÊÀˆ«>Àˆ>˜ÊLÕvviÀÊ✘iÆ
Horticulture Sector: creation of green spaces (e.g. rain gardens,
ÀœœvÊ `iVŽÃ®]Ê ˆ“«ÀœÛi“i˜ÌÊ œvÊ «Ài«>À>̈œ˜Ê >˜`Ê “>ˆ˜Ìi˜>˜ViÊ «À>V‡
tices, etc.
UÊ iÌÊ̅iÊÜ>ÌiÀÊ«>˜ÌÃÊëÀi>`Æ
UÊ iÌʘ>ÌÕÀiÊÌ>ŽiʈÌÃÊVœÕÀÃit
Green roof
Denis Chabot
vÊޜÕÊÀiµÕˆÀiÊvÕÀ̅iÀʈ˜vœÀ‡
mation, contact your local
"6°
New riparian buffer zone within an
agricultural environment.
,iÌi˜Ìˆœ˜ÊL>Ș
Retention basin Schulz (St-Jérôme) I. Boucher
9œÕÊ>ÀiʘœÌÊ̅iʜ˜Þʜ˜iÊ
“>Žˆ˜}Ê̅iÊivvœÀÌð
Centre de l’Environnement Frédéric Back
(Québec) - N. Doyon
* See the Supplemental Reading section
THE RIPARIAN BUFFER ZONE
References
Supplemental Reading
"+1//]Ê
>̅iÀˆ˜i°ÊAnalyse de la validité des règlements
municipaux sur les bandes riveraines]Ê­Óään‡ä™®ÊΙ]Ê,iÛÕiÊ`iÊ
`ÀœˆÌÊ`iʏ½1˜ˆÛiÀÈÌjÊ`iÊ-…iÀLÀœœŽiÊ­,°°1°-°®]Ê««°ÊÓÈ£‡ÎÓn°
Union St-Laurent Grands Lacs (2009) Réseau de surveillance
de plantes exotiques envahissantes, http://www.rspee.glu.org/
ÀiV…iÀV…iÚiëiViɏˆÃÌiÚ`iÃÚiëiVi𫅫¶“ˆˆiÕr̜ÕÃ
ÕLÃÊVœ˜ÃiˆÃÊi˜Ê>}Àœ˜œ“ˆi]ÊPlan d’aménagement de bandes
riveraines]ÊÜÜÜ°VÕLÃVœ˜ÃiˆÃ°œÀ}É>VVÕiˆÉ>vwV…>}i°>ë¶rÇnÎ
FIHOQ et AQPP (2008) Répertoire des végétaux recommandés
pour la végétalisation des bandes riveraines du Québec,
…ÌÌ«\ÉÉÜÜÜ°w…œµ°µV°V>É,i«iÀ̜ˆÀiÚÛi}iÌ>ÕÝÚVœÕiÕÀ°«`v
ˆ˜ˆÃÌmÀiÊ`ÕÊjÛiœ««i“i˜ÌÊ`ÕÀ>Li]Ê`iʏ½˜ÛˆÀœ˜˜i“i˜ÌÊiÌÊ`iÃÊ
*>ÀVÃÊ­*®]ʅÌÌ«\ÉÉÜÜÜ°“``i«°}œÕÛ°µV°V>É
MAPAQ (2009) Programme Prime-Vert]Ê{ÓÊ«°Ê
…ÌÌ«\ÉÉÜÜÜ°“>«>µ°}œÕÛ°µV°V>É ,ÉÀ`œ˜ÞÀiÃÉÎÓÈxÎä
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