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Archive for December, 2007

Survival of the Fittest

Drought conditions can mean the demise of many landscape plants, and Georgia homeowners have noticed that dogwoods and gardeniaare not coping well withpersitent dry conditions. Some plants are surviving, though, and they can help you plan next year’s garden with water conservation in mind. Viewer Tip: Want to know which plants are tolerating drought well? [...]

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Drought Duration (Southwest)

The National Weather Service’s Climate Prediction Center forecasts continued below-normal rainfall for southern parts of California, Nevada, Utah, and Arizona from October through December. Below-normal rainfall, combined with the current long-termdrought in these areas means that dry conditions are likely to persistthrough the end of the year, making itextremely important to continue conserving water. Viewer [...]

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Deer Rut (New Jersey)

Late-OctoberthroughNovember is peakwhite-tailed deer breedingseason inNew Jersey,also called “rut.”During breeding season,bucks become more active and mobile while searching for mates, and their behavior can be unpredictable. Over 10,000 deer-vehicle collisions occur in New Jersey each year, and the risk of collisions increases during the breeding season. Viewer Tip: Avoid collisions by keeping an eye out [...]

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Deer Rut (South Carolina)

Octoberand November arewhite-tailed deer breedingtimes in South Carolina, also called “rut.”During breeding season,bucks become more active and mobile while searching for mates, and their behavior can be unpredictable. The risk of deer-vehicle collisionsincreases during breeding season, especially during sun-up and sun-down times, when deer are more likely to be on-the-move. Viewer Tip: Studies show that [...]

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Drought Duration (Southeast)

The National Weather Service’s Climate Prediction Center forecasts a slight improvement in drought conditions throughout the middle-Mississippi Valley and eastward from October through December, meaning that Tennessee and the Carolinas may see some alleviation ofdrought conditions. However, because drought conditions persist in the region right now, itis extremely important to continue conserving water. Viewer Tip: [...]

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Drought Duration (California)

The National Weather Service’s Climate Prediction Center forecasts continued below-normal rainfall for southern parts of California, Nevada, Utah, and Arizona from October through December. Below-normal rainfall, combined with the current long-termdrought in these areas means that dry conditions are likely to persistthrough the end of the year, making itextremely important to continue conserving water. Viewer [...]

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Deer Rut (Pennsylvania)

Mid-Octoberthrough Mid-December is peakwhite-tailed deer breedingseason in Pennsylvania, also called “rut.”During breeding season,bucks become more active and mobile while searching for mates, and their behavior can be unpredictable. The risk of deer-vehicle collisionsincreases during breeding season, and Pennsylvania topped the list for the highest number of deer-related accidents in 2005-2006. Viewer Tip: Avoid collisions by [...]

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Drought Duration (Georgia)

The La Niña climate pattern generally results in a warm and dry winter in Georgia, meaning that drought conditionsare likely to continue into 2008 for areas of the state that are already impacted, and spread to southeastern areas that are not currently experiencing drought conditions. With drought persisting into the forseeable future, it is important [...]

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Climate Fact: Fall Fungi Fruit

By decomposing dead materials into nutrients that living things need, fungi play a crucial role in keeping the life cycle turning. Mushrooms may be the most visible part of a fungus, but they are only the reproductive parts of a much larger body, which can be found underground or in dead materials (like downed logs). [...]

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Climate Fact: Fall Migration in the Eastern U.S.

The warming trend over the last thirty years in the eastern U.S. has coincided with changes in the behavior of migratory birds. Depending on each individual species’ lifestyle, birds that breed in the northern U.S. and southern Canada may either delay or advance the date at which they begin their journey south in the fall. [...]

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Climate Fact: Carbon Dioxide Concentrations and Leaf Drop

Atmospheric carbon dioxide (CO2) levels have risen from about 280 parts per million in pre-industrial times to around 390 parts per million today. During winter in temperate deciduous forests, the days are too cold and short for trees to efficiently make food, and as a result, the trees are dormant during this time of year. [...]

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Climate Fact: Tree Growth and Temperature

Photosynthesis, or the process through which plants use the Sun’s energy to convert carbon dioxide and water into sugar, is most efficient at a certain optimal temperature. Although plants throughout the World have adapted to conditions unique to their locations, the warm and wet conditions in the equatorial tropical rain forests support what are by [...]

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Climate Fact: Boiling Point

In the last fifty years, the average temperature of the upper 3000 meters of Earth’s ocean water (which is about 70 percent of the total), rose by 0.07 degrees Fahrenheit. While this number may seem small, the same amount of energy it would take to raise the world’s ocean heat content by just 0.18 degrees would [...]

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Climate Fact: Antarctic Bird Breeding

In the Northern Hemisphere, the dominant trend over the last several decades has been for birds to arrive at their breeding grounds and start laying eggs earlier in the year. This trend has been linked to warmer late winter and early spring temperatures. In the Southern Hemisphere, trends are different. In East Antarctica, despite no [...]

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Climate Fact: Climbing Vines and Carbon

Woody climbing vines, which in the Amazon Rainforest are known as lianas, account for only about five percent of the total plant mass in the rainforest, but up to 40 percent of the total leaf production. Lianas can produce so many leaves because instead of using energy to build hard, lignin rich tree trunks, they [...]

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