SUPLEMENTARY MATERIAL

Table S1. Summary of interview questions asked during surveys.

1

Interview

I. GENERAL

1. Questionnaire N°:
2. Date:
3. Household name:
5. Sector Name:
6. Person interviewed name :
7. Employment:
8. Ethnic group
  1. SOCIO-DEMOGRÁPHIC AND ECONÓMIC INFORMATION

1. Sex / 2. Age / 3. Marital status
F / M / Single / Married / Widowed / U.L

4. Family arrange

Age / Sex / Relationship / Employment / Income
  1. Secondary occupation:
  2. Own assets / facilities at home: i. Agricultural land, ii. Electricity, iv. Drinking water, v. canoe, vi. TV, vii. Refrigerator, viii. Air conditioning, ix. Boat, x. stereo, xi. Motorcycle, xiv. Wood stove, xv. Gas stove
  3. Housing material

i. Wall-floor: clay, Wood, cement,

ii. Roof: palm leaves, fiberglass, cement, wood

  1. ¿how many rooms does the house have?

III. MAIN USES OF THE MANGROVES AS WOOD

1. What do you understand by the term mangrove?

2. Preference in living close to mangrove: dependency / cost of living/others

3. Main use of the mangrove products: Fuel wood, construction, edible plants, medicinal plants, fishery products

4. Frequency of mangrove visit:

5. Transport to the mangrove: on foot, boat, other

6. Source used for cooking: wood, charcoal, gas, electricity

7. ¿As you access the wood: do you collect it yourself, purchase

8. Who is responsible for collecting the mangrove wood? Age, sex

9. Mangrove species used for firewood:

10. Mangrove species used for construction

11. Reasons for choosing mangrove wood: energy efficiency, preference, easy to find, other

12. How much time do you spend on collecting mangrove wood from forests?

13. Methods for collecting mangrove for firewood: cutting (tree, branch, stem), soil collection

IV. EDIBLE PLANTS - MEDICINAL PRODUCTS - CRAFTS

1. Are there plants in the mangrove ecosystem used as food, medicine or to make handicrafts?

2. Common name / scientific name of the plant used for edible purpose, medicine, handicrafts

3. Method for collecting edible mangrove plants, medicine, handicrafts: cut the tree, branch, stem, pick up from the soil, another

V. FISHERY RESOURCES / RELATED ACTIVITIES

1. How often do you collect “piangua”?: daily, weekly, depends on productivity, depends on need, other

2. How many “piangua” do you take daily or weekly?

3. What species of “piangua” do you collect?

4. What species of mangrove does the piangua live on?

5. Is the extraction of pianguas the main economic activity? If not____

6. Do you consider that the number of pianguas has decreased lately? Why?

7. Do you think the piangua is overexploited? If not____

8. What do you use the piangua for? Own support, sale, both

9. At what price does Piangua sell?

10. Who sells the piangua?: intermediary, community, restaurants, supermarket,

11. How much piangua is sold?

1

Supplementary Figures

Figure S1. Wood stilt houses in Changai

Figure S2. Images of the mangrove forest in Colombian pacific coast. A: Panoramic, B. Seedlings and juveniles, C–D. Mature adult trees (note especially Rhizophora spp. prop roots in the background of both images)

1