Abstract. Qurniati R, Febryano IG, Zulfiani D. 2017. How trust influence social capital to support collective action in agroforestry development ?. Biodiversitas 18: 1201?. Biodiversitas 18: -1206. Trust is an important factor for strengthening social capital. Trust in forest community is achieved through collective action in small scale agroforestry. It was challenging process regards the low on social capital in communities. This study intended to analyse and explain how trust influences social capital in encouraging collective action in agroforestry development. The study conducted in Sidodadi and Sumur Kumbang Lampung Province, from October-December 2016. The area was selected based on disparities of sea level of villages. The data collected through in-depth interviews with several members of farmer group who responsible for agroforestry. The research found that trust between farmer group member remains high. However, trust as a source of social capital was not supported collective action since farmer group institution is weak. Therefore, to support agroforestry development, social capital should be increased through the development of good networks (bridging) to reach collective goal i.e. community welfare and sustainable forest management.

Agroforestry is one form of land use in multicrown consisting of a mixture of the trees, shrubs with an annual or plants often accompanied by cattle in one plots of land.System agroforestri of benefits economical and ecological that matter to farmers, one of which can provide income for farmers.Research is to calculate what large contribution agroforestri and to know faktor-faktor affecting farmers income. The study is done in the Village Sukoharjo 1 Sub-District Sukoharjo District Pringsewu.Contribution agroforestry expressed in the percentage revenue agroforestri with total revenue farmer.To analyze factors affecting farmers' income analyzed by linear regression of multiple.From the reckoning, contribution agroforestri against revenue is 88,31% or Rp 50.142.696,00/kk/ha/year and results regression analysis variables influential real against earnings agroforestri is age, the area of field, the amount of labor, tribe, religion, landslope and credit assistance.Keyword: agroforestri, the contribution of income, income factors

The objective of this study is to identify the individual characteristics and the elements of social capital hence a suitable design of social capital reinforcement can be proposed to promote a sustainable community-based mangrove management. The research conducted in three villages that were selected based on mangrove ecological differences in Lampung Province, Indonesia. Qualitative data was collected through field observation and in-depth interviews with key informants. The results showed that the population in the three villages dominated on productive ages, worked as farmers, and less educated (only a half of the population had fulfilled the basic education standard of Indonesia). The study results also indicated that the social capital in the communities showed minimum condition of interpersonal attachment and cooperation. This condition was derived from the attitude of the people who only took personal benefit without concerning to others' welfare. Many programs conducted by government to ensure the conservation of mangroves were project-oriented with minor participation of community. The minor participation might also contributed to the minimum of social capital in the community. To improve social capital, the communities should strengthen mutual trust based on mutual benefit to increase members' participation in mangrove activity.

Abstract. Setiawan W, Harianto SP, Rommy Qurniati R. 2017. Ecotourism development to preserve mangrove conservation effort: Case study in Margasari Village, District of East Lampung,. The conservation efforts by Margasari community have produced the enhancement of mangrove forest areas, however the utilization of mangrove forest by people around was low. To make the conservation effort sustainable needs to develop mangrove ecotourism so they can utilize mangrove forest existence. This research intended to study the conservation and ecotourism effort in Margasari Village and the community perception of ecotourism development. This research was conducted in March-April 2017 in Margasari Village by interviewing 96 respondents. The data collection was undertaken through field observation, key informant interviews, and structured interviews with questionnaire. The result showed, the conservation effort was protecting, preserving, and utilizing of mangrove such as mangrove nursery, mangrove plantation, utilizing of jeruju and pedada fruit as food and counselling to the villagers not to cut mangrove and enter the mangrove forest. The ecotourism activities were boating around the mangrove, mangrove planting tourism, and bird watching. The conservation and ecotourism effort conduct by the people who joined community groups. But it was dominated by the group manager. So the financial benefit from ecotourism had limited for few people. Nevertheless, Margasari community agreed with the ecotourism development and was willing to participate in developing the ecotourism.

Agroforestry in Indonesian language simply means as planting trees on agricultural land.Land’s management with sustainable agroforestry systems expected to be able improve field productivity. It has needed to do financial analysis for agroforestry cropping patterns. It based on some of dominant plant species in agroforestry cropping patterns.This study conducted in the Pesawaran Indah Village of Padang Cermin Subdistrict on Pesawaran District in March-May 2012. The study aims to determine a profitable agroforestry cropping patterns based on financial analysis. Sampling used by purposive sampling technique. Financial analysis of agroforestry cropping pattern used the NPV, BCR and IRR with feasibility age of 20 years and an interest rate of 12%.The results showed that there are 9 agroforestry cropping patterns applied. Analysis showed that agroforestry cropping patterns is financially viable to be applied. Among 9 cropping pattern, pattern VI which is combination of Cocoa, Coconut and Banana has the highest profit with NPV is Rp 71.392.802,34,-, BCR of 7,39 and an IRR of 96%.Key words : agroforestry, financial analysis, pattern