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Productivity and sustainability of a vegetable ivory palm (Phytelephas aequatorialis, Arecaceae) under three management regimes in northwestern Ecuador
Productivity and sustainability of a vegetable ivory palm (Phytelephas aequatorialis, Arecaceae) under three management regimes in northwestern Ecuador
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Productivity and sustainability of a vegetable ivory palm (Phytelephas aequatorialis, Arecaceae) under three management regimes in northwestern Ecuador
Productivity and sustainability of a vegetable ivory palm (Phytelephas aequatorialis, Arecaceae) under three management regimes in northwestern Ecuador

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Productivity and sustainability of a vegetable ivory palm (Phytelephas aequatorialis, Arecaceae) under three management regimes in northwestern Ecuador
Productivity and sustainability of a vegetable ivory palm (Phytelephas aequatorialis, Arecaceae) under three management regimes in northwestern Ecuador
Journal Article

Productivity and sustainability of a vegetable ivory palm (Phytelephas aequatorialis, Arecaceae) under three management regimes in northwestern Ecuador

1998
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Overview
This study examines the productivity, sustainability, and management of tagua nuts from the palm Phytelephas aequatorialis under three management regimes in northwestern Ecuador. Tagua nuts are used internationally as an ivory substitute and the palm fronds are used locally as roof thatch. Plots were established in a control site and in three local management regimes: pure tagua groves; stands with tagua and cacao in an agroforestry system; and tagua groves where the undergrowth is cleared and old fronds removed. Data were collected for one year and local extractors were interviewed about their tagua management. Palm demography indicates heavy management with few subadult individuals and many more adult females than males. Productivity analyses do not demonstrate the influence of any one environmental variable on leaf or infructescence productivity. The pure tagua grove is the management regime most conducive to tagua sustainability. The sustainability results are underscored by the extractive methodology, where local extractors maximize tagua collected while minimizing collection time. These results are incorporated into management recommendations to foster tagua extraction while ensuring its sustainability and future use. /// Nueces de tagua están usados internacionalmente como un sustituto para marfil y las frondas de la palms se usa localmente para techos. Se estableció cuadrantes en un sitio de testigo y en trés regimenes de manejo local: arboledas de tagua pura; arboledas con tagua y cacao en un sistema agroforestal; arboledas de tagua donde se limpia el suelo y remueve las malezas y las frondas viejas. Se recolectaron datos por un año y se entrevistó extractores locales sobre su manejo de tagua. La demografia de las palmas indicó que el manejo es intenso con pocos individuos de subadultos y mucho más hembras adultas que varones. La analísis de la productividad no demostró la influencia de un solo variable en la productividad de hojas o infructescencias. La arboleda de tagua pura es el regimen de manejo más conducible a sustentabilidad de tagua. Los resultados de sustentabilidad están subrayados por la metodología de extracción, en que extractores locales maximizan la recolecciónn de tagua mientras minimizan el tiempo de recolección. Estos resultados están incorporados en unas recomendaciones a fomentar la extracción de tagua mientras asegura su sustentabilidad y uso futuro.
Publisher
The New York Botanical Garden,Springer,New York Botanical Garden Press,Springer Nature B.V
Subject

Agricultural management

/ agriculture

/ AGROFORESTERIA

/ AGROFORESTERIE

/ AGROFORESTRY

/ Agronomy. Soil science and plant productions

/ Biological and medical sciences

/ Cacao

/ CONDUITE DE LA CULTURE

/ CROP MANAGEMENT

/ Cropping systems. Cultivation. Soil tillage

/ DEMOGRAFIA

/ DEMOGRAPHIE

/ DEMOGRAPHY

/ DURABILITE

/ Ecological sustainability

/ Economic botany

/ ECUADOR

/ EQUATEUR

/ ESTADO JUVENIL DE LAS PLANTAS

/ Extractors

/ FECUNDITY

/ FERTILIDAD

/ FERTILITE

/ FERTILITY

/ FEUILLE

/ FOREST PRODUCTS

/ Fronds

/ FRUCTIFICACION

/ FRUCTIFICATION

/ FRUITING

/ FRUITS

/ FRUTAS

/ Fundamental and applied biological sciences. Psychology

/ General agronomy. Plant production

/ Generalities. Cropping systems and patterns

/ GERMINACION

/ GERMINATION

/ GRAINE

/ HOJARASCA

/ HOJAS

/ juvenility

/ JUVENILITY OF PLANTS

/ LEAVES

/ LITIERE VEGETALE

/ LLUVIA

/ Management

/ MANEJO DEL CULTIVO

/ MATHEMATICAL MODELS

/ MINOR FOREST PRODUCTS

/ MODELE MATHEMATIQUE

/ MODELOS MATEMATICOS

/ nontimber forest products

/ Nuts

/ PALMAE

/ PESO DE LAS SEMILLAS

/ PHYTELEPHAS

/ PLANT LITTER

/ PLANT PRODUCTION

/ PLUIE

/ POIDS DES SEMENCES

/ PRODUCCION VEGETAL

/ production economics

/ PRODUCTION VEGETALE

/ Productivity

/ PRODUCTOS FORESTALES

/ PRODUIT FORESTIER

/ RAIN

/ SEED

/ seed germination

/ SEED WEIGHT

/ SEEDS

/ SEMENCE

/ SEMILLA

/ SEMILLAS

/ Sex differences

/ Soils

/ SOSTENIBILIDAD

/ STADE JUVENILE DES PLANTES

/ SUSTAINABILITY

/ Sustainable agriculture

/ Sustainable economies

/ THEOBROMA CACAO

/ Undergrowth

/ Vegetables