UNCCD

A mini wetland system. [Santa Lucía]

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Entidad infórmante: Saint Lucia

Aclare si los derechos de propiedad cubren la tecnología descrita en la plantilla, o en parte de ella: No

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Información general

Información general

Título de la buena práctica:

A mini wetland system.

País:

Santa Lucía

Entidad infórmante:

Saint Lucia

Derechos de propiedad

Aclare si los derechos de propiedad cubren la tecnología descrita en la plantilla, o en parte de ella:

No

Clasificación

Uso de la tierra predominante en la localización específica

  • Tierras de cultivo
  • Tierras de pastoreo
  • Bosques
  • Tierras no productivas
  • Asentamientos humanos

Contribución a las medidas de la DDTS

  • Mitigación

Contribución a los objetivos estratégicos

  • Mejora de las condiciones de vida de las poblaciones afectadas
  • Mejora de las condiciones de los ecosistemas afectados

Vínculos con otros temas de prácticas óptimas

  • Desarrollo de capacidades y concienciación
  • Vigilancia y evaluación/investigación de la DDTS y la GST
  • Financiación y movilización de recursos
  • Participación, colaboración y establecimiento de contactos

Especificaciones

Sección 1. Contexto de la práctica óptima: condiciones marco (entorno natural o humano)

Breve descripción de la práctica óptima

This activity was what he called a wetland system, which entailed the construction of a concrete structure approximately 25-30 square feet in area, with a piping system used to transport sewage to the wetland. This wetland operates sort of like a soak away system but it is being used because of the geology of the area. Mr Verneuil   indicated that since the entire Aux Leon area is rock with no capacity for permeation, this wetland system may be the best solution at the moment. (See figure 1)
Figure 1

Lugar

Aux Leon(Fond D’Or Watershed)

Si el lugar tiene límites bien definidos, especifique su extensión en hectáreas:

3990.0

Población estimada que vive en el lugar:

8624.0

Breve descripción del entorno natural en el lugar especificado

The Fond D’Or watershed is the second largest in St. Lucia and comprises
approximately 9860 acres or 3990 hectares. Approximately 23% of the watershed
is under protection - Government Forest Reserves which are located in the upper
watershed. The Fond D’Or watershed is among the seven (7) of the 37
watersheds in St. Lucia that are an important source of water supply. The most
extensive area of natural forest is located along the northern ridge extending
from Dennery Knob towards Au Leon.

Condiciones socioeconómicas imperantes de los habitantes del lugar o las proximidades

While much of the land in the watershed is under private land ownership,access to land for residential and economic use remains a key development issue in particular the lands not brought under management control since the
sale of Dennery Factory (former estate acquired by government in 1979 and
• The Fond D’Or Beach area should be preserved strictly for recreation.
Unemployment in the watershed is high especially among the youth and
outside agriculture and the distributive trades; while other sectors are at the
rudimentary stage of development.With increasing population growth and settlement expansion, prime
agricultural land is lost to settlement use.|
Agriculture (cultivation and livestock) is the dominant land use activity within
the Mabouya Valley accounting for almost 777 ha or 1919 acres of land in the
middle and lower watershed areas. Close to 1,124 acres or 12% of the Fond
d’Or River basin was classified as suitable for cultivation (classes I, II and III)
and is under intensive commercial farming.|

Sección 2. Problemas tratados (causas directas e indirectas) y objetivos de la práctica óptima

Principales problemas que trata la práctica óptima

The IWCAM project commissioned a study of sewage disposal systems in the Au Leon community where geology and population are factors that constrain the use of traditional septic and even pit latrines. The study revealed
that in addition to the aforementioned constraints, the inadequate water supply contributed to the poor sewage disposal practices. The use of dry ravines or bushes is the dominant method; however most expressed willingness to use improved alternatives if these are present.|

Explique los problemas específicos de la degradación de las tierras que trata la práctica óptima.

This activity  called a wetland system, which entails the construction of a concrete structure approximately 25-30 square feet in area, with a piping system used to transport sewage to the wetland. This wetland operates sort of like a soak away system but it is being used because of the geology of the area.Since the entire Aux Leon area is rock with no capacity for permeation, this wetland system may be the best solution at the moment,to address ravine/river water pollution problems.
Sewage is diverted from approximately three households, using a series of PVC piping, as seen in figure 1. After construction, wild ginger is planted within the wetland to help absorb the nitrates from the sewage, thus releasing water of a much lower ecoli count into the ravine. The disparity  between the ecoli count before and after entry into the wetland system is quite significant according to Mr.Verneuil,project liason officer.|

Especifique los objetivos de la práctica óptima.

The primary objective of the best practice is to facilitate the improvement of the quality of waste water which is discharged into ravines,streams and rivers within the project area,to create  more favourable environmental conditions for ecosystems and people within the community.|

Sección 3. Actividades

Breve descripción de las principales actividades, por objetivo

Selection of sites to establish demonstration mini-wetland system and facilitate establishment.
Public awareness and sensitisation activities were conducted to involve and help improve on the knowledge base of community members.
Training activities were conducted to increase capacity of the members of the community,in terms of establishing the system.|

Breve descripción y especificaciones técnicas de la tecnología

This activity  which is called a mini wetland system, which entails the construction of a concrete structure approximately 25-30 square feet in area, with a piping system used to transport sewage to the wetland. This wetland operates sort of like a soak away system but it is being used because of the geology of the area. Since the entire Aux Leon area is rock with no capacity for permeation, this wetland system may be the best solution at the moment.
Sewage is diverted from approximately three households, using a series of PVC piping, as seen in figure 1. After construction, wild ginger is planted within the wetland to help absorb the nitrates from the sewage, thus releasing water of a much lower ecoli count into the ravine. The disparity  between the ecoli count before and after entry into the wetland system is quite significant(    ) According to Mr. |
concrete structure approximately 25-30 square feet in area, with a piping system used to transport sewage to the wetland.Sewage is diverted from households, using a series of PVC piping.After construction, wild ginger is planted within the wetland to help absorb the nitrates from the sewage, thus releasing water of a much lower ecoli count into the ravine.|

Sección 4. Instituciones o agentes involucrados (colaboración, participación y función de los interesados)

Nombre y dirección de la institución que desarrolla la tecnología


The IWCAM project;Mabouya Valley(Ministry of Agriculture,Forestry and Fisheries)|Castries,Saint Lucia.

¿La tecnología se desarrolló en una alianza?

enumere los asociados:

Ministries of Agriculture,Forestry and Fisheries.|Ministry of Health|Caribbean Environmental Health Institute(CEHI)|IWCAM Project.|Fond D'or Watershed Management Committee.(FDWMC)|Community of Aux Leon|Ministry of Social Transformation.

Especifique el marco en el que se promovió la tecnología

  • Iniciativa basada en un programa/proyecto

¿La participación de interesados locales, incluidas las organizaciones de la sociedad civil, favoreció el desarrollo de la tecnología?

enumere los interesados participantes:

The community of Au Leon|(FDWMC) Fond D’Or Watershed Management Committee

Detalle la función de los interesados enumerados anteriormente en cuanto a diseño, introducción, uso y mantenimiento de la tecnología, en su caso.

These stakeholders were involved in brainstorming sessions, identifying the issues involved and working on solutions to address these issues.Consultations were held and meetings and fieldtrips were convened to develop this system.Community members were trained to construct these mini systems and actually were the ones who eventually established them in the field,with supervision being provided by IWCAM project liason officer and other government agencies,ministry of Agriculture and Health.CEHI provided technical assistance in relation to water testing activities.|

¿La población que habitaba en el lugar o en las proximidades participó en el desarrollo de la tecnología?

¿de qué manera?
  • Consultas
  • Planteamientos basados en la participación

Especificaciones

Sección 5. Contribución al impacto

Describa los impactos in situ (los dos principales impactos por categoría).

The haphazard development of land, resulting from the absence of a plan framework, poor planning enforcement and squatting, has led to inefficient
and unprogessive settlements that are difficult to regularise and access, for example Au Leon.Sewage issues resulting from poor geology are also
prominen|
After construction, wild ginger is planted within the wetland to help absorb the nitrates from the sewage, thus releasing water of a much lower ecoli count into the ravine. The disparity  between the ecoli count before and after entry into the wetland system is quite significant|
Water quality, adequate supply and a functioning distribution system are
issues of grave concern to the watershed, its people and users.
Contamination of water intakes from human activity and the absence of
laws\policies to protect these critical areas are major weaknesses. |

Describa los dos principales impactos fuera del lugar (por ejemplo, que no se registran en el lugar, pero sí en las zonas próximas).

Because of improvement in water quality,the quality of lives of community residents is sure to improve in various respects(Recreation,Health etc.)|
Off site impacts have basically to do with improvement of the quality of water which flow within rivers and streams at the lower watershed region,which is beneficial to the rivarine ecosystems and people within the watershed.|

Impacto en la diversidad biológica y el cambio climático

Justifíquelo:

This system, which deals with improvement of water quality flowing in rivers within the watershed,will decrease the levels of Eutrophication, which will be prove essential for the protection and wellbeing of rivarine ecosystems.|

¿Se ha elaborado un análisis costo-beneficio?

¿Se ha elaborado un análisis costo-beneficio? :

No

Sección 6. Adopción y reproducibilidad

¿La tecnología se difundió o introdujo en otros lugares?

¿La tecnología se difundió o introdujo en otros lugares? :

No

¿Puede identificar las tres principales condiciones para el éxito de la práctica óptima/tecnología presentada?

The actual situation which existed within the area,highlighted the very urgent need to address these problems.It was obvious to all stakeholders that something needed to be done.|
The very active Fond d'or Watershed Management Committee and cooperation of the Aux Leon Community.Both groups were very instrumental in the development and establishment of the best practice.
The introduction of the IWCAM project,with available funds.well structured and managed project with dedicated personel.|

Replicabilidad

¿En su opinión, la práctica óptima/la tecnología que ha propuesto se puede reproducir en cualquier otro lugar con un cierto nivel de adaptación?

¿A qué nivel?
  • Local
  • Subnacional
  • Nacional
  • Subregional
  • Regional

Sección 7. Enseñanzas

En relación con los recursos humanos

This system do not require a large quantity of human resources for establishment and maintenance.

En relación con los aspectos financieros

The system do not require vast amounts of financial resources to establish and maintain.

En relación con los aspectos técnicos

The system is not very complicated to establish and can be replicated very easily in other areas.

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