Sentences with phrase «shade tree species»

They have little experience with sustainability per se, have done hardly any research into growing various crops under different native shade tree species and densities, and have very little * ecological * perspective (i.e., multi-year, cyclic, prey - predator and tree - weed interactions etc.).

Most that was there 6 - 8 years ago has been replaced with fast growing Inga and Albizia as shade trees species that carry no epiphytes and less leaf cover.

Not exact matches

By John James Audubon, 1897 Beargrass Creek, which is one of the many beautiful streams of the highly cultivated and happy State of Kentucky, meanders through a deeply shaded growth of majestic beechwoods, in which are interspersed various species of walnut, oak, elm, ash, and other trees, extending on either side of its course.

One study suggests arthropod diversity alone — wasps, beetles, spiders, ants — found on a single tree species in shade - grown coffee plantations approximates that found under similar conditions in undisturbed tropical forest.

The schinus species of trees grow prolifically in arid, well - drained soils in almost any temperate area of the world, hence their popularity as a shade and decorative tree in many parts of Australia.

The program team will also continue to study the social, economic, and environmental benefits of shade trees (including species such as durian, sesbania, and mahogany) by working with Olam to distribute these to farmers, and develop a monitoring plan that will track trees and cocoa seedlings that are distributed.

The Smithsonian Bird - Friendly certification requires a minimum shade cover of 40 %, and the overstory should include at least ten different species of shade trees, with no more than 70 % of the trees being Inga species, which means more habitat remains appropriate for birds.

For example, 81 % of the coffee in Nicaragua and El Salvador grew under a shade canopy in 1996, and although recent surveys document declines in shade tree diversity since then, these declines mostly occurred on larger farms; in contrast, many smallholder cooperatives preserve high levels of biodiversity, including more than 100 species of shade trees on fewer than 30 farms (Méndez et al. 2010a).

Sumatran coffee farms use very few species of shade trees, including the non-native Gliricidia sepium, which may not provide proper resources for native fauna.

Forty species of shade trees (including 50,000 planted by the estate) cool the ground and allow for slow ripening of the coffee cherries which increases sweetness.

There are now around 50 species of trees providing multi-layer shade for the coffee.

Indicators specific to maintaining shade cover include percent cover, canopy tree diversity and native species benchmarks, and preservation of epiphytes and vines.

Regarding coffee certifications, Coffee & Conservation has been primarily concerned with criteria defining «shade» because those are the guidelines for canopy cover, vegetation structure, and tree species that promote biodiversity - friendly conditions.

This study radiotracked several species of resident forest birds in the Coto Brus province of southern Costa Rica, now «dominated by sparsely - shaded coffee farms» — recall that in my post on coffee growing in Costa Rica that most farms, including those marketed as «shade» coffee, have few shade trees of only a couple of species, and lack the structural complexity necessary for true biodiversity preservation.

Farms that earn the Rainforest Alliance Certified seal protect shade trees, plant native species, maintain wildlife corridors and conserve natural resources.

Beargrass Creek, which is one of the many beautiful streams of the highly cultivated and happy State of Kentucky, meanders through a deeply shaded growth of majestic beechwoods, in which are interspersed various species of walnut, oak, elm, ash, and other trees, extending on either side of its course.

As shade coffee maintains the tree canopy, these coffee plantations are particularly important for migratory and resident bird species.

They grouped the tree species into three categories based on their tolerance of shade.

Like researchers studying other logged forests, she found evidence of an «edge effect»: the density of shade - tolerant seedlings decreased within several hundred meters of the fragment edge, where young trees are more exposed to sun, wind, and competition from invading species.

They're testing real houses with trees for shade and coatings that reflect sunlight; they're analysing new roofing materials and pinpointing the species of trees that would help or hinder their efforts.

All four major species of Hamamelis are tolerant of partial shade and valued as large shrubs or small trees that flower when few other plants are in bloom.

The former riverbed is now a winding road that runs through a shaded forest with more than 300 species of fern trees.

The Al Weeks Sculpture Garden is our award - winning, 28,000 square - foot outdoor space that features a tranquility pool and waterfall, cobbled courtyard, and tree - shaded benches, as well as dozens of wildlife species and flowers.

The entire ecosystem of species that depend upon trees for food and habitat, shade and soil retention, will expire with them.

«Even with shade coffee the number of tree species can be reduced by 80 % or more.

Farms that earn the Rainforest Alliance Certified seal protect shade trees, plant native species, maintain wildlife corridors and conserve natural resources.