The Chaparral Biomes
In this article we will take a look at Chaparral biomes that have been found in locations across the world. We will pay particular attention to those found in the US, South America, South Africa and a few other parts of the world. We will discuss these different biomes and help you better understand what they mean to the world as a whole.
Small increments of the Chaparral biome can be found spread across all of the different continents and consists of various types of terrain including mountains and plains. This includes
- US West Coast
- South America’s West Coast
- South Africa’s Cape Town
- Australia’s Western tip
- Coast of the Mediterranean.
Some areas are more noticeable for the biome than others. You’ll find a wide variety of terrain in the chaparral biome, including rocky hills, flat plains, and mountain slopes. A sample of the type of terrain is what you might see in the background of many movies set in the old west. Located from 30° to 50° N and 30° to 40° S latitudes, US residents may be most familiar with the chaparral climate of the central and southern coasts of California, which will be discussed later.
Chaparral biomes lay in mid-latitude climates in a belt of westerly winds, hence their location of the western end of the continents. There is an instrument known as Köppen’s climate classification system. Under this system, chaparral biomes are classified as Cs. “C” refers to warm temperature climates – climates where the average temperature during the coldest month is 64° F. The “s” represent the dry season in the summer of the hemisphere where the biome is located.
The climate of the chaparral biome is very hot and dry.
- Winters there tend to be very mild, with temperatures of about 50 °F. The winter climate is also known as the Mediterranean climate, which while not very rainy, is typically mild and moist.
- Most of the precipitation occurring in the Biome occurs during the winter months. Summers, which tend to be hot and dry, run about 104 °F, but can range from 30° and 120° F.
- Summers are unique in the biome because while it can get very hot, temperatures can also quickly dip down to nearly freezing. Fires and droughts in the chaparral are very common in the summer. Rain totals in the biome average between 10-17 inches for the year, with most of that occurring during the winter. It receives more rainfall per year than the desert biome.
The weather found in the biome is constantly changing. Conditions can change vastly from day to night, and the animals and plants that live in these areas must learn how to quickly adapt to these constant changes.
Plants of Chaparral Biome
Plants and animals found in the chaparral biome are uniquely adapted for this environment.
- Many of the over 2,000 plant varieties are marked by their characteristic hard, small leaves that have an ability to hold significant amounts of moisture.
- Some plants also have leaves with a hairy texture, also designed to hold onto and efficiently use water. Plants in chaparral biome have root systems designed to get as much water as possible.
- Interestingly, plants in this biome have leaves that are made from highly flammable materials. Some plants in the biome have adapted to even withstand the intense heat of fires and then bloom. These plants have seeds which lay dormant during normal conditions, but in the event of a fire, their seed casing crack open and begin to sprout.
Common plants in the biome include poison oak, Yucca Wiple, shrubs, toyon, chamise, trees, and cacti. Oak trees, pines and mahogany trees also do well in the biome. The chaparral biome of Australia consists mainly of dwarf eucalyptus trees.
Animals of Chaparral Biome
The animals and over 100 types of birds are typically native to grassland and desert type environments, having adapted to hot, dry climates, and doing so very well. These animals survive with the use of very little water. The hot temperatures have become normal for them, so they’ve also learned how to adapt to the sometimes extreme temperatures. These animals are found active during the night as it is too hot for them to search for their prey during the day. Some examples of birds and animals that thrive in the challenging chaparral biome conditions include:
- Acorn woodpeckers
- Jack rabbits
- Mule deer
- Alligator lizards
- Praying mantis
- Horned toads
In Europe, one may find rabbits, vultures, sheep, cattle, mouflon, horses, lynx, wild boar and eagles.
The Chaparral Biome of California
In further looking at the US chaparral biome in California, also known as the woodlands and grasslands of California, you’ll find the biome in a section of the Sierra Nevada. The coastal range lays at 53° to 65º latitude on the coast and 32° to 60º North in the mountain range. The chaparral peaks at about 5,000 feet above sea level amidst steeply sloped mountains. Valleys and streams are widely spaced from one another, but will run very narrow.
- In California’s portion of the chaparral biome, temperatures usually range at temperatures of 53° to 65° F on the coast and 32° to 60° F in the mountain ranges.
- It typically rains 12 to 40 inches per year in these areas, mostly in during the cold winter months, but some in the Fall and Spring as well.
- Precipitation is usually higher at the higher elevations. There’s little snow, and what does occur tends to melt quickly.
- You’ll find all four seasons in the biome, even though they are not marked by as significant temperatures swings as are found in some regions.
In this region, animals including Acorn Woodpeckers and Sonoma Chipmunk call the area home. Mahoganies, pines, and oak represent the type of plants that you will find in this very hot and humid area. Both the animals and the plants in the area have adapted to the higher than normal temperatures, and the many wildfires occurring in the state each year have also become quiet the norm. In fact, many of the lifeforms found in the area depend upon those fires to help with the regeneration process. Plants survive with little water needed. They use waxy leaves to conserve water.
Human interference in California’s chaparral has been a mixed blessing. While birds and animals have been harmed by the harvesting of trees, some areas of the biome have been helped by the repairing of water sources and other areas that have been destroyed by animals and the diversion of water. It seems that so often humans come along, and while they feel they are helping, actually destroy the flow of things, the adaptations that have been made to survive in these areas.
- Human interference prohibits the balance of the way of life. Just the fact that people build homes in these areas causes a threat to the population of animals and plants. Santa Barbara, CA, is a Biome area that is also a very popular place to call home.
- People choose Biome areas because of their grandeur and beauty, unaware that they are affecting anything at all. This is just one area in California that has seen interference due to human contact.
- Also a huge threat is the pollution in these areas. California is one of the worst places for air pollution. Pollution occurs in many different ways, including the growth of the industrial pollution, emissions from vehicles, and more.
- Hunting is a final cause of trouble in the biome areas. When animals are hunted it definitely causes strain on the population of this particular type of species. Animal shortage hurts in many ways. In addition to hunting, some animals have also ventured out to areas other than their natural habitats. Some never return, also causing threats to the biome area.
The Chaparral biomes are closer to home than what you may have realized before. These areas are easy to identify due to their irregular temperatures that often bring hot and humid summers and wet winters. The California area biome is probably one that is most familiar to most of us. Every single day we have an up close and personal look at human interference with the biome, and the after effects of that interference. The Chaparral biomes found all across the continents provide us with a different outlook and a different atmosphere to enjoy.
Image credit: USFWS , Paul Sullivan
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