Several cost-benefit analyses provided insights into the main trade-offs between different agricultural systems. To compensate farmers for conserving and restoring ecosystem services of the floodplains, they received support to cover the costs of the transition to flood-based agriculture and resist pressures to convert additional low dyke areas into closed control zones with high dykes that would exclude the land from flooding. In some areas a hybrid model was used, with low dykes controlling the timing of flood arrival/recession to support double-cropping and flood-based cropping (instead of the traditional third rice crop). In the case of lotus farming systems, flood-based agriculture enabled diversification of activities, including fish raising, ecotourism and recreational opportunities.

The design of the intervention recognised the challenges across the Mekong Delta, which were also captured in the 2013 Mekong Delta Plan. The Nature-based Solution intervention strategically addressed knowledge gaps, capacity needs of farmers and regional planning challenges, working collaboratively with other similar initiatives. The intervention responded to interactions between the environment and society in terms of improving livelihoods through flood-based agriculture. While initial IUCN pilot interventions remained limited and small-scale, collaboration across similar projects and recent policy developments currently support the development of a large-scale intervention across the 1.4 million ha of the Upper Mekong Delta floodplain.

The Nature-based Solution intervention built on the 2013 Mekong Delta Plan, which recommended high-value double rice cropping in combination with seasonal flood-based agriculture/aquaculture to manage flood risks. This influenced the promulgation of National Resolution 120, entitled “For a sustainable and climate resilient Mekong Delta”. The resolution was adopted in November 2017 and stipulates that nature-based adaptation models should be selected that are environmentally sound and achieve sustainable development based on ‘actively living with the floods’. In addition, the annual Mekong Delta Forums bring together governments and development partners. They provide a space for knowledge exchange on lessons learned and endorsement of a common vision for the Upper Mekong Delta, including a move to more natural land and water uses.

The Spatial Monitoring and Reporting Tool (SMART) is a both a software and a framework that allows forest rangers and anti-poaching patrols to collect geospatial data on their smart phones (via the SMART mobile app), which acts as an advanced handheld GPS. When traps, illegal encampments, animals, or violators are located, the patrol will make a record using the app’s customized “data model” (a customization of the application that creates specific drop-down lists, and decision trees). The SVW data model is based on Vietnamese forestry law, so when any technical gaps are identified in the data model in terms of arrest procedures, non-standard violations, or priority species listed in legislative decrees, it can directly inform and improve policy.

Once data has been collected by patrols on their smart phones, the patrol data (paths walked, km travelled, time spent on patrol, and data recorded) will upload automatically to SMART desktop. This is where managers can evaluate poaching hotspots to apply pressure, and also allows them to monitor the effectiveness of the patrols themselves. With each new data input, data managers are able to adapt to the situation and adjust their team and patrolling regimens accordingly.

Anti-poaching (AP) teams are hired and funded under Save Vietnam's Wildlife, and approved by protected area managers where they sign a joint contract between the two. They undergo approximately one month of training in Vietnamese forestry law, species identification, self-defense, field training, first aid, and using SMART. 

AP patrols stay with forest rangers for 15-20 days of patrolling at various ranger stations each month, and an assigned Data Manager typically processes, cleans, analyzes and reports SMART data for all patrols to the park director and SVW coordinators. At the beginning of each month, a SMART report is generated by the data manager; based on the intelligence from this report, a patrol plan will be discussed with the ranger and anti-poaching members, and then submitted to the protected area director for approval; mobile units are on standby and led by forest rangers to rapidly respond to any emergencies, locations outside of planned patrol areas, or situations accessible by road.

Rangers were trained to use SMART mobile through vertical knowledge transfer in the field, and by the end of 2020, 100% of the forest rangers (73 people) were all effectively using SMART, increasing patrol data coverage across the entire protected area (Figure 1).

The agreements are aimed at preserving the integrity of the SFFG, through the release of transformed areas and the implementation of active and passive restoration processes, in order to achieve the recovery of degraded land cover and contribute to the maintenance of natural areas and the good living of the community.

To achieve the implementation of the ecological restoration agreements, it was necessary to carry out out outreach activities and socialization of the process with the 23 prioritized peasant families and also to collect information according to the guidelines of participatory ecological restoration, which allowed the construction of the technical annexes and the content of the agreements.

Its purpose is to involve local communities in the restoration process, depending on the socioeconomic environment prevailing in the area, with special attention to the aspirations of local communities in terms of the future they want for the space they inhabit. Therefore, in the implementation of the restoration strategy, local communities made up of children, youth and adults were involved in activities such as:

(i) Identification of the areas to be restored.

ii) Construction of community nurseries for the propagation of high Andean forest species. iii) Participation in the implementation of isolation in areas under pressure from agricultural activities, in order to encourage the use of the region's own natural resources that contribute to valuing the existing biodiversity and ensure the long-term continuity of the project, taking into account the important knowledge that the community has about their region, its history of use, the location of the species and in some cases their propagation.

The purpose of identifying the areas to be restored is to determine the number of hectares in which active restoration actions should be implemented (which consists of direct human intervention on the structure and characteristics of the degraded ecosystem, in order to replace, rehabilitate or restore it to ensure the existence of a structured and functional ecosystem) and passive restoration (focused on eliminating or minimizing the disturbances causing the degradation, leaving the degraded ecosystem to recover its structure and functionality by itself).This process was carried out through the methodology of observation and participatory research, which consists of making field trips with some members of the community, to take geo-reference points with the GPS, to subsequently build the polygons and calculate the area to be restored, which comprises 196.2 hectares. Parallel to this activity, a diagnosis of the conservation status and composition of the plant species present in the area is made to determine the degree of intervention to which the ecosystem has been subjected and thus make the decision on what type of restoration will be implemented.

With the forest left undisturbed, forest-dependent communities have few options for their livelihood sustenance. Therefore, the LEMSACHENLOK Society started to introduce alternative livelihood measures for the economically downtrodden. Income generation activities such as piggery promotion, ginger plantation, packaging and sale of certain products are initiated on our own small scale.

For many years, the Biodiversity Conservation initiative created a favourable environment and healthy ecosystem in the area. As a result, the migrating Amur falcons saw the area as a haven for roosting. The communities continue to provide a suitable environment for these visiting raptors. With many tourists visiting to see the Amur falcon roosting, the community constructed an innovative wildlife Watch Tower in strategic locations to provide a beautiful view of the roosting falcons.