16 resultados para Eucalypt Forests
em Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States
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A river or stream and its floodplain exist in a state of dynamic equilibrium. This four page report explains the management of floodplain forests.
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Iowa’s three million acres of forest land provide environmental benefits to all Iowans in terms of soil erosion control, air quality, and water quality. In 2013, more than 6.5 million trees died. Within those trees there were more than 125 million board feet of wood, compared to 98 million board feet of wood harvested. This level of mortality is the highest level reported from US Forest Service inventories in twenty years. This is disturbing when considering more than 18,000 Iowans are employed in the wood products and manufacturing industry, generating nearly $4 billion in annual sales, more than $900 million in annual payroll and more than $25 million to private woodland owners annually from the sale of timber.
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Strong winds, ice, snow and tornadoes are natural occurrences in Iowa forests. When severe, storms can cause extensive damage to forests by uprooting, wounding, bending and breaking trees. Storm damage management should involve a quick assessment to determine the extent of the damage, the need and potential for salvage, and woodland management efforts to return the woodland to a productive status.
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Bonding of wood with glue dates back to ancient times but has increased enormously over the past decades. This 2 page report explains the proper way to glue wood.
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The oak and oak/hickory forests make up about 46% of Iowa's forestland. Approximately a third of these woodlands have adequate oak regeneration for the woodlands of the future. This report explains what is happening with Iowa's forestland.
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Principles and techniques that should be followed to either promote or retard coppice regeneration.
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Iowa has several public and private agencies which provide a wide range of forestry services and programs; a brief description of these organizations follows.
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This report is on the effects of the tax reforam act of 1986 on timber production activites.
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PM2002B: People own wooded acreages and woodlands for a variety of reasons that may include: timber production, firewood production, recreation, wildlife habitat, aesthetics, and alternative forest products. Most of Iowa’s forestland is privately held, and the majority of ownership is fragmented into an average of ten acres (Forest Reserve Survey, 2004). In fact, the average size of an individual forest or woodlot ownership has been steadily declining for several years due in part to population growth, urban sprawl, and changes in land ownership. Studies indicate that the probability of a sustainable woodlot decreases as the population increases. At the same time, most woodlot owners want to be good stewards and protect and enhance the forest that they own. To achieve this goal, careful forest planning and management is required especially when managing the land for multiple objectives.
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Vigorous and Healthy woodlands in Iowa have the unique distinction of being able to provide a wealth of benefits for the landowner and residents of the state. Benefits from a healthy forest include timber and wood resources, watershed protection, fragile site protection, wildlife and bird habitat, aesthetics and beauty, and recreational opportunities.
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Advance planning, proper species selection, site preparation, careful handling of tree seedlings, and a good weed control program will help assure a successful tree planting. A commitment to plant with care, is an important first step that leads to successful establishment of tree and shrub seedlings.
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Grass and weeds are a problem because they grow faster and are often taller than young seedlings. They compete with your seedlings for the limited moisture, nutrients, light, and space. Grasses and broadleaf weeds may kill your seedlings. At the very least, they keep seedlings from growing as quickly and vigorously as they would without competition. In addition, a thick stand of grass or weeds next to your seedlings provides habitat for rabbits and rodents who can girdle or cut off your seedlings. The only way to avoid these problems are to control the grass and weeds that cause them.
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A listing of district foresters and state forest facilities.
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Pamphlet describing the plant garlic mustard and it's threat to Iowa woodland and wildlife
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Browse through this guide and you’ll find the distinct flavor of what is available along each byway. Discover recreational, historic, cultural and scenic attractions using the maps and lists provided in the guide. You’ll find numbered attractions for each byway in or near the town listed. For a comprehensive list of byway features, visit www.iowabyways.org. Friendly local contacts are provided to help you along the way. Iowa Transportation Maps clearly tracking all the Iowa byways with red dotted lines are available at Iowa’s official welcome centers. Traveling Iowa’s byways you will experience small town America, while enjoying diverse landscapes and unique landforms that have been shaped over thousands of years. Iowa’s cultural heritage also plays a major role across all 11 byways, boasting hundreds of historic sites, national landmarks and interpretive centers, each telling Iowa’s stories from the first Native Americans through European immigrants to modern times. Glaciers once covered much of Iowa, shaping the broad flat plains of the prairie. These massive sheets of ice missed the northeast corner of the state, leaving the land along the Driftless Area Byway rugged and hilly with rock outcroppings, springs and cold water trout streams. Rivers coursed their way through the land, carving deep furrows in some places and leaving gently rolling hills in others. In western Iowa, wind has shaped fine sand into the impressive Loess Hills, a rare land form found in only one other place on earth. Iowa’s two national scenic byways and nine state byways offer unique varieties of scenic features, and more for you to see and do. View three states from atop a Mississippi River bluff, stop at a modern art museum and then tour a working farm. Explore a historic mill, visit a national aquarium, take a boat ride in a cave, purchase locally crafted pottery and wares from local artisans or trace the footsteps of Lewis and Clark. Experience the actual wagon ruts of the Mormon Trail, ride your bike 13 stories high, canoe a water trail, star gaze under Iowa’s darkest sky, and marvel at mounds built by prehistoric cultures. Agriculture wraps Iowa’s byways with an abundance of farmland vistas and fills Iowa lands with ever-changing crops and activities for you to “harvest.” You’ll see croplands on the vast flat plains and farmsteads sprinkled across rolling hills reminiscent of a Grant Wood painting. Along the way, you might wander in a corn maze, rest at a bed and breakfast, study farming in museums, discover the Iowa barn quilt collection or visit a working Amish farm. When you are ready to step outside your vehicle, you’ll find much more to do and see. Prairie, forests, rivers and public lands are abundant along Iowa’s byways; providing opportunities for you to stop and play in the outdoors with hiking, biking, kayaking and trout fishing. Classic hometowns with pride for their unique lore and offerings are found all along the byways. They invite you to taste local food, enjoy their architecture, and immerse yourself in the rich history and culture that defines them. Why not plan your next journey off the beaten path? No matter how you choose to make the most of every moment, we know that time spent along Iowa’s byways is sure to grow your love for Iowa’s diverse, beautiful vistas and authentic communities. Happy driving!