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Jungle River

A river bisecting two jungle biomes.

Biomes are regions in a Minecraft world with varying geographical features, flora, heights, temperatures, humidity ratings, sky colours and foliage colours. Introduced in the Halloween Update, biomes separate every generated world into different environments, paralleling the real world; examples of biomes include the forest, jungle, desert and tundra. Prior to the Halloween Update, every world had only a single theme, either grassy or snowy.

In the Anvil file format, biomes are stored directly in the world data. This differs from the previous Region file format format, where biomes were dynamically calculated from the seed.

The term biome is analogous to its scientific usage: on Earth, a biome is climatically and geographically defined by distinctive communities of plants, animals and soil organisms supported by similar climatic conditions. They are often referred to as ecosystems.[1][2]

Biome types

There are 12 biomes as of Minecraft version 1.3.2. They can generally be distinguished by the grass and leaf colors in the biome, along with the types of blocks present (e.g. types of trees or other plants like cacti, sand coverage in deserts). The biomes are pseudo-randomly generated using the map seed.

Name and Features Description and Sample
Forest

Oak and Birch Trees, Tall Grass, Flowers, Grass, Wolves, Mushrooms

A biome with a lot of trees, occasional hills and a fair amount of grass. Oak and birch trees grow in this biome. Mushrooms, tall grass, roses and flowers can occasionally be found. Forests can occasionally be generated as a technical biome in plains biomes. This is one of the best biomes to start out in, due to the abundance of wood. The frequency of trees makes it dangerous to navigate at night, due to obscured vision, difficulty in navigating and ease of mobs to spawn.

1.8 Biomes MixedForest

Desert

Sand, Cacti, Dead Bushes, Sandstone, Sugar Cane

A barren biome consisting mostly of sand, large dunes, dead bushes and cacti. Sandstone is commonly found underneath the sand. Rain never falls in this biome. Sugar Cane can be found next to pools of water. The lack of visual obstruction makes mobs highly visible at night. Desert NPC Villages, desert wells and desert temples are found exclusively in this biome.

File:2012-02-01 16.26.19.png

Plains

Tall Grass, Grass, Flowers

A relatively flat biome with rolling hills and much tall grass but with few trees. Gullies, water holes and NPC Villages are common. Passive mobs spawn here often. Cave openings and water or lava springs are easily identifiable due to its unobstructed terrain.

1.8 Biomes Grassland

Swampland

Oak Trees, Grass, Vines, Lily Pads, Clay, Mushrooms

A biome characterized by a mix of flat, dry areas (including lots of small islands) around the sea level and shallow pools of water with floating lily pads; clay, sand and dirt is commonly found at the bottom. Trees are often covered with vines and can be found growing out from the water. Mushrooms spawn abundantly in this biome. Stalks of sugar cane can be found along the shores. The colors of the water, grass, leaves and vines are much darker than in other biomes.

1.9Swamp

Jungle

Jungle Trees, Grass, Ferns, Flowers, Vines, Ocelots

A very dense, tropical biome. It features large jungle trees that can reach up to 31 blocks tall and 2 blocks in diameter. Oak trees are also common. The landscape is lush green and quite hilly, with many small lakes of water often nestled into deep valleys, sometimes above sea level. Leaves cover much of the forest floor—these are actually single-block oak trees with jungle wood trunks. When inside a jungle, the sky will become noticeably lighter. This is the only biome containing ferns and the aforementioned jungle trees. Vines are found alongside most blocks and may be found close to the surface in caves. Ocelots and Cocoa Plants spawn exclusively in this biome, the latter found on jungle trees. Jungle Temples spawn exclusively here.

JebJungle

Ice Plains

Snow, Snowfall, Oak Trees, Ice

An expansive, flat biome with a huge amount of snow. It does not rain in this biome — it snows instead. Lakes and rivers are frozen over. Hills tend to be more mountainous. Sugar canes will spawn in this biome, but tend to become uprooted when chunks load as the water sources freeze to ice. There are very few natural oak trees in this biome. Due to the scarcity of wood, initial survival becomes difficult in comparison to other biomes. No above ground structures spawn here.

TundraBiome

Taiga

Snow, Snowfall, Ice, Spruce Trees, Grass, Flowers, Wolves, Tall Grass

A hilly biome densely filled with spruce trees. Grass is a dull gray-blue. Snowfall also occurs in this biome, forming snow and ice. Hills are common, and wolves are found in this biome more frequently than in others.

Taiga.

Extreme Hills

Oak Trees, Grass, Flowers, Emerald Ore

A highly mountainous biome (with some mountains reaching over y=100) with dull gray-blue grass and a few scattered oak trees. Cliffs, peaks, valleys, waterfalls, overhangs, floating islands, and many other structures exist, offering outstanding views. More underground cave systems are present here than in any other biome. Falling is a significant risk, as there are many ledges and sudden drops large enough to cause severe fall damage or even death. Extreme Hills and Extreme Hills Edge are the only biomes where Emerald Ores spawn.

1.8 Biomes Mountain

Ocean

Water, Sand, Clay, Dirt

An extremely large, open biome made entirely of water, with underwater relief on the sea floor such as small mountains and plains which usually include dirt, sand, and clay. There is no maximum limit to the size of oceans.[3] Oceans typically extend under 25,000 blocks in any direction, reaching out to 100,000 in rare circumstances. Small islands with infrequent vegetation can be found in oceans. Epic caves are very common below sea level, and entrances to underground ravines can be found at the bottom of the ocean, as well as abandoned mine shafts.

File:1.8 Biomes Ocean.png

Mushroom Island

Mushrooms, Huge Mushrooms, Mycelium, Mooshrooms

This rare biome consists of flat landscape and hills and has mycelium instead of grass as its common surface block. It is always adjacent to an Ocean and it is often found isolated from other biomes. It is the only biome where huge mushrooms can spawn naturally, and where mushrooms can grow in full sunlight.

No mobs (including hostile mobs) other than Mooshrooms spawn naturally in this biome. This also applies to caves, abandoned mine shafts, etc. below mushroom biomes, meaning exploring underground is relatively safe. Player-made structures in this biome are not exempt from this rule: All terrain within the biome will not spawn any mobs (except for Mooshrooms), even by the player.

However, Monster Spawners will still be able to spawn mobs, Golems can still be created by players and Spawn Eggs can still be used to spawn mobs.

Trees can be grown from saplings in this biome, as well as other dirt or grass-based plants, as long as they are not directly adjacent to mycelium, which will take over the dirt square from the plant and uproot it.
File:MushroomBiome19pre.png

Hell (The Nether)

Netherrack, Glowstone, Soul Sand, Nether Brick

This is the biome used to generate the Nether. Most of the terrain is composed entirely of expansive netherrack mountains, caves, and walls at all altitudes. Unlike other biomes it is enclosed by bedrock at layers 128 and 1. Lava oceans cover this biome at layer 29. Lava also generates more frequently, flows further and faster than on the overworld. It is the only biome where ghasts, blazes, magma cubes and zombie pigmen naturally spawn.

Nether 'biome'

Sky ( End)

End Stone, Obsidian, Bedrock, Ender Crystals

This is biome used to generate the End. Unlike other biomes it is composed almost entirely of a finite, floating landmass of End Stone, with the exception of obsidian towers and Ender Crystals. Only Endermen and a sole Ender Dragon can spawn in this biome.

File:Tumblr lsuy5hnlwb1qkxybk.jpeg

Technical biomes

Technical biomes are found alongside or within their larger counterparts. They are not considered true biomes, but more a part of the terrain itself. However, these technical biomes serve an important role in the Minecraft world in creating more realistic terrain.

There are seven known technical biomes.

Name Description Sample
River A biome that consists of water blocks that form in an elongated, curving shape similar to a river. Rivers cut through terrain or separate the main biomes. They attempt to join up with ocean on the other side, but will sometimes loop around to the same area of ocean. They have no current. Rivers have also been known to be a reliable source of clay. Although a technical biome, they are referred as biomes in the code. Minecraft River
Frozen River This variant of the river only spawns in taiga and tundra biomes. The surface layer of water is frozen. Frozen River
Beach Generated on the shores of almost any body of water, beaches are composed of sand. Beaches penetrate the landscape, removing the original blocks and placing in sand blocks.

For the history of beaches, see the Beach page.

File:Minecraft Beaches.png
Mushroom Island Shore Mushroom shores represent the flat shore area of the mushroom biome. Mushroom Island Shore
Frozen Ocean Found near snowy biomes, frozen oceans contain ice on the top layer of water. Frozen Ocean
Extreme Hills Edge Acts as a fringe between mountains and most other biomes. File:Extreme Hills Edge.png
Hills Hills are generated within Forest, Taiga, Desert, Jungle, and Tundra biomes and are referred in the F3 menu as "ForestHills", "TaigaHills", etc. Forest hills seem to be generate more rarely than the other hills in their respective main biome. Tundra Hills are usually taller. In update 1.3 hills generated in forest and desert biomes are now taller. Forest Hills BiomeFile:2012-05-20 08.54.26.png

History

Biome history

Main article: History of biomes and generated structures
Biomes Example

A very old image of biomes work-in-progress. "To the right of the player is a taiga, to the left is either a forest, or woods, I can’t remember. In the distance is probably tundra." -Notch

alpha
1.2.0Added biomes.
beta
1.8Biomes got an overhaul, removing some biomes, such as the tundra and the taiga, and others replaced with nine fractal-based biomes that were a mix of the previous biomes and new biomes.

Anvil file format

The Anvil file format allows for biomes to be stored in the world data. In contrast, the Region file format relies on the seed to dynamically calculate biome placement. This would cause biome placement in older worlds to change when the biome generation code was changed. With the current Anvil format, the biome data is stored along with the rest of the world data, meaning it will not change after the world is generated and can be edited by third-party map-editing tools. Furthermore, "edge" biomes allow for biomes to continue extend beyond the edge chunks of an old world. This allows for smooth transitions in world generation after the generation code changes in an update.

Effect on gameplay

It can be difficult to play and gather sufficient resources if the player starts in the middle of a biome with no trees, such as deserts, tundras, and especially oceans.

There have been several reports of players spawning on tiny islands in the middle of a vast ocean with no trees for several Minecraft days in any direction. It appears that these desert islands generate in the Ocean biome, where animals cannot spawn (on the water); sometimes, the island spawns with no trees, forcing players to delete the world and start again, swim great distances to a landmass, or search for nearby underwater openings into abandoned mineshafts to acquire wood. Of course, this is not a problem if the player uses Creative Mode.

Gallery

References

  1. Wikipedia, The Free Encyclopedia, "Biome", accessed 20 April 2012
  2. Dictionary.com Unabridged, "biome", accessed 20 April 2012
  3. http://i.imgur.com/X3NJf.png

See also

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