Saturday, January 3, 2015

Guilds

By Liliana Usvat
Blog 276-365

Guilds are interconnected systems of plants and animals that clearly demonstrate how nature achieves balance and harmony. Guild planting seeks to recreate the beneficial links between organisms by planting species that will aid one another close together. And each species in a guild is not limited to a single role within this structure.

 Taking their cue from natural ecosystems such as forests, guild planting seeks to recreate the beneficial links between organisms by planting species that will aid one another close together. The resultant guild will also form relationships with insects and other organisms to create a thriving ecosystem.

Components of the Guilds

Feeders













Within a guild there are those plants that feed us, by producing edible crops. Most guilds are organized around the central species of a fruit tree.

 Around the tree, the gardener should be able to cultivate a wide variety of edible plants, including fruits, herbs, vegetables and legumes. The guilds interaction with animals can also provide a source of food, such as bees visiting blossoms in the guild, or livestock foraging fallen fruit. 

Fixers
Fixers refer to the plants in a guild that help to make nutrients in the soil available to all the plants in that guild. Chief among these nutrients is nitrogen. Second only to water in importance to healthy plant growth, nitrogen is a primary component in plant proteins and in chlorophyll, which the plants use to photosynthesize. Certain plants are able ‘fix’ nitrogen in the soil, by interacting with a certain soil bacteria to hold nitrogen on their root nodules.


Legumes are the order of plants best suited to fixing nitrogen in the soil, so planting beans









, peas










, nuts


 








and leguminous trees such as tamarind 











and acacia










 as part of your guild will ensure good nitrogen levels in the surrounding soil.

Rooters
Certain species of plant can be used in a guild for the benefits that their deep rooting systems bring to the guild as a whole. Plants that send down deep roots – such as trees, yams







 and potatoes – help to improve the structure of the soil, providing pore spaces into which air can flow and water can percolate. They also reach deep into the ground in the search for nutrients and minerals that they bring to the surface where shallower-rooting plants and microorganisms in the topsoil can access them.

Coverers
Cover crops are plants that are low-lying and spread out to shield the soil. Sweet potato








and pumpkins









are examples of cover crops that can be utilized in a guild. By covering the soil, these types of plant protect the soil from the sun, limiting moisture evaporation and preventing weeds from getting the level of sunshine they need to photosynthesize. They also help protect the topsoil from erosion by wind and rain. 

Climbers
While some plants thrive lying low to the ground, others climb upwards in order to grow. Climbers are typified by slender stems and branches and thus smaller crops items. Beans, cucumbers









and passion fruit











 are examples of climbers.

Supporters
If you have climbers in your guild, you’ll need something for them to climb up. That’s where the supporters come in. With thicker stems, trunks and branches than climbers, they provide the solid base on which the climbers can grow. In nature, trees, bushes and tall string plants like sunflowers 









would be classified as supporters. 

Protectors
There are a lot of different types of organism that can play a protecting role in a guild.Certain species may also be used to deter grazers such as deer. Insects themselves can be beneficial to the guild by predating on pest species, while other animals such as birds, lizards and frogs, and livestock such as chickens and ducks, can perform a similar function.









Fruit trees, for instance, the specimen at the centre of the guild could be considered a feeder, a rooter and a supporter. It can also be a fixer if its fallen leaves remain on the ground. 

Tuesday, December 30, 2014

Tulip Tree Medicinal Uses

By Liliana Usvat
Blog 275-365

Other Names Liriodendron tulipifera



















One of the tallest native trees of eastern North America, features uniquely shaped leaves and large yellow tulip-shaped flowers which are hard to see because of the height of the tree; needs lots of moisture and room to grow, not for small properties

Characteristics

Tuliptree will grow to be about 90 feet tall at maturity, with a spread of 50 feet. It has a high canopy with a typical clearance of 10 feet from the ground, and should not be planted underneath power lines. It grows at a fast rate, and under ideal conditions can be expected to live to a ripe old age of 120 years or more; think of this as a heritage tree for future generations!
This tree should only be grown in full sunlight. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil pH, but grows best in rich soils. It is quite intolerant of urban pollution, therefore inner city or urban streetside plantings are best avoided.
Tuliptree has buttery yellow cup-shaped flowers with yellow eyes and orange centers held atop the branches from mid to late spring. It has emerald green foliage throughout the season. The square leaves turn an outstanding gold in the fall. The fruit is not ornamentally significant. The furrowed gray bark is extremely showy and adds significant winter interest.
The Tulip Tree Liriodendron tulipifera is a member of the Magnolia Family Magnoliaceae and one of our tallest (to 150 feet) and most beautiful native hardwood trees. The tulip trees are in full flower, which you might miss unless you look up into the tree to find them. Their stunning orange- yellow flowers, set off by glossy, star-shaped leaves are too often overlooked, as they are usually way above our heads.
Food for Wildlife
The tree is a significant source of food for wildlife, as food and habitat for bees and a stately shade tree for large areas. It ranges throughout the Eastern United States from southern New England, west to southern Ontario and Michigan, and south to north-central Florida and Louisiana.
Use
Some references say Tulip Tree roots were used as a flavoring to take the bitterness out of Spruce Beer. 
 Tulip Trees were used to make honey. For just a short time while the tree is blossoming there is a small amount of very sweet nectar in each blossom. It is heavy and honey-flavored. You can drink it directly from the blossom.
 The expert was relying on old reports that probably didn’t describe how the natives used the tree. They weren’t collecting honey, they were collecting nectar. The tree was also called the Sap Poplar, perhaps because its sap is consumable.
Medicinal Uses of AFRICAN TULIP TREE, SPATHODEA CAMPANULATA 
  • A decoction of the bark is astringent and used as a laxative as well as for cases of dysentery and for other gastro-intestinal problems. 
  • A decoction of the bark and leaves is used as a lotion for inflamed skin and on rashes.
  •  The flowers can be applied directly onto wounds, as can the bruised leaves which have mild pain-killing and anti-inflammatory properties. Both the bark and leaves have been found to have antiseptic actions.
  • An infusion of the leaves is used for urethral infections, and the dried and pulverized or even the fresh inner bark is applied to oozing ulcers. The tree also has UV absorbing properties and could be utilized as a cheap sunscreen.

  •   Studies have found that the stem bark can lower blood sugar levels and so the traditional use of the bark for diabetes sufferers seems to have been borne out. (Journal of Phytotherapy Research
  • Extracts of the bark, leaves and roots have also been used to combat malaria and HIV and have antimicrobial and antifungal properties.
Indian Tulip Tree Medicinal Uses Thespesia populnea

  • The bitter inner bark of the Indian Tulip tree is used as diuretic and stimulant. Its raw green bark is also chewed as an aphrodisaic. 
  • Its tea is used in the treatment of indigestion, 
  • dysentery, 
  • rheumatism, 
  • coughs and 
  • fevers. 
  • In India its bark was used to treat the skin diseases, and
  •  haemorrhoids. 
  • Its leaves are applied to the inflamed and swollen joints. 
  • It is also used in the treatment of ringworm. 
  • Its roots are used as the tonic. 

Indian Tulip tree is found in the lower dry forests to the wet forests. Deep, rich, well-drained soils of forest coves and lower mountain slopes. It is widely grown in the Eravikulam National Park in India.. 

Sunday, December 28, 2014

Forest Caribou in Alberta and Habitat Reclamation

By Liliana Usvat
Blog 274-365












Caribou are one of Canada’s most recognizable national symbols, but their populations are under threat in Alberta for a number of reasons, including the effects of industrial development on habitat, the effects of global warming and because they’re increasingly being hunted by wolves which have increased in population and range in response to an increase in numbers of deer and moose, their primary prey.

During oil and gas exploration activities over the past 40 years, fragmentation occurred in the boreal forest as corridors were cut to accommodate seismic exploration and access routes for exploration drilling. 

The Algar Project takes an integrated regional approach, with six companies working together to repair fragmented habitat across an area of land outside of their actual license areas. The project includes a five-year program to replant trees and shrubs along the linear footprint within the Algar Region, covering an area approximately 570 square kilometers (km2) southwest of Fort McMurray.

No much have been done to reclaim the oil land
Scientists studying the ravaged caribou habitat of Alberta's northwestern foothills say they have found so much disturbance from decades of industrial use that restoration of the terrain will have to be selective.

Loss of Bisons on the plane.
Alberta is still selling of the forest. It is possible to do something about it?

Alberta is looking as a post apocalyptic war zone.

Can we do something about it? It is too late?

Deforestation in Alberta is worse than in Brazil

There are more than 16,000 kilometres of seismic lines, cut by the energy industry through the forest, within the study area's 13,000 square kilometres.
About five per cent of range for the Little Smoky and a la Peche caribou herds remains undisturbed — a long way from the federal government's 65 per cent target.
Wolves normally prefer to prey on deer and moose, but seismic lines allow them to penetrate into the deep woods where caribou hide.
Caribou also normally avoid coming within 500 metres of a seismic line, making every line, in effect, a kilometre wide.
In 2012 The oil companies paid 1 billion dollars in rights to drill for oil and leases of land.
Who is going to protect those that cannot protect themselves.
The ministry of the environment is promoting the lease of the lands.
Canada needs to consider a better solutions. It is not only the responsibility of the government to protect the environment.
We can live a prosperous life without destroying the forest and the land and the caribou.
If you look at the attached Environment Canada map (above) of boreal woodland caribou across Canada, it’s Alberta where most of the herds are at highest risk of dying out under current policies. This affects the genetic diversity and viability of neighbouring B.C., the North West Territories and Saskatchewan caribou populations. 
Beyond that, caribou are indicators of whether the boreal and foothills forests are healthy. If we change how these forests are managed so that caribou populations can recover (which Alberta states is its policy goal), then our northern Mackenzie watershed will be healthier, and many other species will benefit too, such as migratory birds that depend on old growth forest and intact wetlands.” 

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