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Nous sommes en train de détruire le sol. Les gens n'y prêtent pas vraiment d'attention à ce problème, parce que la terre est constituée d'eau et de telle et il y a encore beaucoup de terres intactes. Mais si nous continuons à le prendre pour acquis, nous aurons un grand problème. Des calculs approximatifs sont fait qui estiment que nous avons seulement 60 ans de couche arable (la couche de sol qui  permet les plantes a grandir) qui reste. Les raisons sont simple: Nous prenons plus de sol que nous donnons (et a une beaucoup plus grande vitesse) et nous avons trop d'animaux, qui consomment trop de plantes, ce qui est très important pour la photosynthèse. Quand il y a moins d'agriculture, les prix vont augmenter, alors les pays pauvres comme la Chine, l'Afrique et l'Inde vont souffrir premier, mais si nous ne changeons pas, toute la terre vas souffrir. En conclusion, planifier l'utilisation du sol peut aider à penser au future et mieux traiter notre terre.
Mme B : Excellent , avec source de référence.
Source:
http://world.time.com/2012/12/14/what-if-the-worlds-soil-runs-out/

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There are eight land use designations that apply to the lands within the Leitrim

Community, as identified on the Land Use Plan:

Low Density Residential;

Medium Density Residential;

High Density Residential;

Mixed Use;

Employment;

Institutional;

Open Space;

Stormwater Management; and,

Wetland Buffer

Section 3.1 of the Official Plan states that certain land uses are supportive of the functioning of a community and are permitted in all land use designations including::

Secondary dwelling units in detached or semi-detached dwellings;

Group homes, rooming houses, and shelter accommodations;

Retirement homes and care facilities;

Garden suites ancillary to residential dwellings;

Home-based businesses;

Public utilities, wireless communication facilities; and,

Parks and leisure areas.

Land Use Plan

The intent and permitted uses of each designation is described as follows:

Low Density Residential

The Low Density Residential designation is intended accommodate the vast majority of the lowest density residential uses within the Community.

Permitted residential uses include single detached, semi-detached and duplex dwellings. Street townhouses are permitted however, they should be located near focal points within the Community, such as adjacent to parks, surrounding commercial areas or along collector roads.

Additionally, a small scale retail store, either as a stand-alone use or combined with a residence, may be permitted at the intersections of collector roads and at collector road intersections with arterial roads. This type of use would provide convenience shopping within walking distance of residents in the immediately surrounding area.

Medium Density Residential

The Medium Density Residential designation is intended to provide the majority of the Community's ground-oriented multiple unit dwellings, located in such a manner to support focal points such as commercial areas or parks.

Permitted residential uses include triplexes, fourplexes, block townhouses, street townhouses, and stacked townhouses. Single detached, semidetached, and duplex dwellings are also permitted, provided the densities for the zone, as per the map on page 29, are being met. Low-rise apartments are also permitted on sites designated Medium Density Residential along collector roads. Additionally, a small scale retail store, either as a stand-alone use or combined with a residence, may be permitted at all intersections of two collector roads and also at all intersections of collector roads with arterial roads. This type of use would provide convenience shopping within walking distance of residents in the immediately surrounding area.

High Density Residential

The High Density Residential designation is intended to provide the majority of the highest density residential uses and is located in such a manner to support Leitrim's commercial areas and be close to transit routes.

Permitted uses include low and mid-rise apartments. In the context of the Leitrim Community Design Plan, an "apartment" will mean any building that exceeds a density of 80 units per net hectare. Stacked townhouses are also permitted provided the designation's minimum density of 80 units/net hectare throughout the zone, as per the map on page 29, is being met.

Mixed Use

The intent of the Mixed Use designation is to accommodate a wide range of institutional, community and convenience retail, and personal service and business uses to serve the Community's residents, with higher density residential uses that will support the commercial activities and provide diversity in the housing stock. These areas are intended to be the 'core' of the Leitrim Community.

Only low and mid-rise apartments are permitted in the Mixed Use designation. In the context of the Leitrim CDP, an 'apartment' will mean any building that exceeds a density of 80 units per net hectare. Permitted non-residential uses include a range of institutional, commercial and service uses, such as retail stores, food stores, restaurants, service commercial, personal services uses, financial institutions and services, business, medical and professional offices, and entertainment and recreational uses. Larger scale commercial retail uses are permitted in Mixed Use designation, subject to the applicable Design Guidelines in Section 5.0 of this Plan.

Uses that perform a community function, such as retirement homes or care facilities, are also appropriate for the Mixed Use designation. While permitted in a range of designations, uses that serve the community, such as care facilities or places of worships, will be directed first to the Mixed Use or Institutional designations.

Employment

The intent of the Employment designation is to provide lands that can accommodate employment opportunities in the Community in a range of office and industrial uses. These areas have good access to the arterial road network and will be developed in a high quality business park setting. The lands designated employment achieve the Official Plan's target for housing and jobs balance.

Permitted uses include industrial uses, both noxious and non-noxious, and office uses. Additionally, commercial uses that are related or dependent on the main industrial and office uses are permitted such as convenience retail or personal service businesses. The lands designated Employment coincide with the boundaries of the Ottawa Airport Operating Influence Zone. No noise sensitive uses are permitted within this boundary, excluding residential development or redevelopment of existing residential lots of record. All uses are restricted by Ottawa International Airport regulations concerning such considerations as height limits and potential bird hazards.

There are residential lots along Quinn Road within the Employment designation. The development of undeveloped existing lots of record for residential purposes is permitted, despite the restrictions of the AOIZ zone, but not the redevelopment of these lots for residential purposes

Institutional

The intent of the Institutional designation is to identify specific locations for government, service and community facilities and uses throughout the Community.

Permitted uses include a wide range of institutional uses, places of worship, schools, cemeteries, community centres, government and public utility offices, libraries, retirement homes and care facilities, and fire and police stations. Locations for four elementary schools have been identified on the Land Use Plan to reflect the interests of the three school boards for the Leitrim Community. Should a school board not exercise their option to use a designated school site, the alternative designation will be Medium Density Residential.

While permitted in a range of designations, uses that serve the community, such as care facilities or places of worships, will be directed first to the Mixed Use or Institutional designations

Open Space

The intent of the Open Space designation is to provide lands for a range of recreational opportunities, from more active and structured uses like sports fields to more passive and informal uses like public trails and natural greenspaces.

Permitted uses will primarily be public parks and trails, with public uses such as community centres or libraries. Limited commercial uses that are related to the primary uses of the designation will be permitted. The area of land west of Albion Road designated Open Space is intended to remain in a natural woodland state, and uses are limited to those that do not impact this intention.

Stormwater Management

The intent of the Stormwater Management designation is to provide the land to accommodate the stormwater management facilities required to service development within the Community.

Only stormwater management facilities, such as stormwater management ponds and channels, and public trails, will be permitted.

Wetland Buffer

The intent of the Wetland Buffer designation is to reflect the Ontario Municipal Board decision regarding the Leitrim Wetlands boundary and buffer area on the Remer lands.

Only public trails are permitted in a manner that does not adversely impact the Leitrim Wetlands.

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There are eight land use designations that apply to the lands within the Leitrim Community, as identified on the Land Use Plan: Low Density Residential; Medium Density Residential; High Density Residential; Mixed Use; Employment; Institutional; Open Space; Stormwater Management; and, Wetland Buffer Section 3.1 of the Official Plan states that

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Cest extremement importantde bien planifer l'utilisisation du sol  par ce que quand on contruit des batiment et des ville ont est entrain de detruire les ecosystem  si ont contrui une maison comme 100 km de l'autre ont conserve pas notre sol donc sa cest pour quoi ont fais les batiment proche, et les fermes doit avoir des bonne terre pour faire des legumes et prendre soin de leur animal.
source:
Mme B : C'est vrai !

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La planification de l'utilisation du sol est très important car notre place sur la terre est limité. On doit bien planifier nos villes pour qu'on peut avoir le plus d'utilisation possible. On doit planifier où on mets nos fermes pour avoir la terre parfait pour faire l'agriculture. On doit planifier nos villes pour que c'est efficace. On veut aussi garder l'espace vert pour protéger les écosystèmes et des parcs. Pour des villes on doit planifier où on mets des résidences de faible densité, moyenne densité et haute densité. Où on mets des secteurs commerciaux et industrielle. Il y a beaucoup de facteurs qui entre en jeux. C'est meilleur de mettre des secteurs industrielle sur du sol qui n'a pas beaucoup de nutriments au lieu de utiliser du sol haute en nutriments pour bâtir. C'est meilleur d'utiliser cette sol pour les fermes.

Sources:
https://ottawa.ca/fr/hotel-de-ville/urbanisme-et-amenagement/lignes-directrices-en-matiere-de-plans-et-de-design-de-1/plan-de-conception-communautaire-de-leitrim/section-4-plan-dutilisation-du-sol#42-designations-des-utilisations-du-sol

Mme B : Excellent, tu as fait le tour de la question.

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Le sol pourrait être considéré une ressource non-renouvelable. On en a besoin et une fois qu’elle est toute utilisée, nous ne pourrions pas en produire plus. Les humains ont besoin du sol pour vivre, pour produire de la nourriture, pour envoyer leurs déchets, etc. L’agriculture utilise beaucoup de sol pour l’élevage de plantes ainsi que d’animaux. La planification de l’utilisation du sol devient de plus en plus importante comme la population de la terre augmente et la demande de nourriture augmente. Des villes mal planifier causent plusieurs problèmes. Par exemple, dans ma ville, nous avons des terrains de panneaux solaires sur des terrains qui pourrait être utilisée comme espace résidentielle. Ces panneaux solaires pourraient être à l’extérieur de la ville ou la terre est moins recherché. Un autre exemple est le manque de logement a un prix raisonnable dans de grandes villes. La densification pourrait potentiellement réduire le coût des logements. Par exemple, si un édifice est construit avec 20 étages au lieu de 5, plus de gens peuvent y vivre sans utiliser plus de sol. La planification de l’utilisation du sol est essentielle pour avoir un pays durable pour les générations du futur.

Sources:

Water Encyclopedia “Land-Use Planning”

http://www.waterencyclopedia.com/La-Mi/Land-Use-Planning.html -Consultée le 4 décembre 2018

OAS “The Importance of Development Plans”

http://www.oas.org/pgdm/document/BITC/papers/dthomas.htm -Consultée le 4 décembre 2018

Mme B : Tu as apporté des excellents points.

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l'utilisation du sol est la modification par l'homme de son environnement naturel ou sauvage au niveau du sol quand il est transformé un environnement plus ou moins prairies et champs
les principaux effets de l'utilisation du sol sur la couverture du sol ont été ceux de l'agriculture
( laure est pas bon mon ordi a fermer alors je ne pouvais pas l'effacer )
Mme B :  Pa conséquent, pourquoi c'est important de bien planifier l'utilisation du sol ?

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il est important de bien planifier l'utilisation du sol car on a pas toute l'espace qu'il  faux  par exemple
Mme B : Par exemple quoi ?

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L'utilisation du sol fait référence à l'usage qu'on fait du sol, par exemple les loisirs, l'habitat de la faune ou l'agriculture. L'application de l'utilisation du sol comprend la cartographie de base ainsi que la surveillance qui en découle, puisque des informations adéquates sont nécessaires pour connaître quelle superficie de sol correspond à quel type d'utilisation, ainsi que pour identifier les changements d'utilisation au fil des ans. Ces connaissances vont aider au développement de stratégies visant à équilibrer les utilisations conflictuelles et les pressions de l'urbanisation. La disparition et les perturbations des terres arables, l'urbanisation et la détérioration des forêts sont des sujets qui stimulent le développement d'études sur de l'utilisation du sol.

https://www.rncan.gc.ca/sciences-terre/geomatique/imagerie-satellitaire-photos-aeriennes/imagerie-satellitaire-produits/ressources-educatives/9374

Mme B : Bien trouvé !