fabioclass

ECOLOGICAL FACTORS


ECOLOGICAL FACTORS

ECOLOGICAL FACTORS are those factors in the environment which can influence living organisms or cause changes in any habitat, be it aquatic or terrestrial
Ecological factors are grouped into two categories.

They are biotic and abiotic factors




What are the biotic factors that affect ecology?

Listed below are the Biotic factors affecting ecosystem
1.

COMPETETION:

competition involves in the interaction between two organisms of the same species or different species in which one outgrows the other and the other die or cannot survive
2.

PARASITISM:

this is a close association between two organisms in which one, called parasite lives on the other called host for survival. The parasite usually benefits from the association while the host suffers and most often dies out
3.

COMMENSALISM:

commensalism is an association between two organisms living together in which only one, the commensal, benefits from the association while the other is neither harmed nor benefits
4.

PREDATION:

predation is a type of association between two organisms in which the predator kills the other called the prey and feeds directly on it
5.

PATHOGENS:

these are micro-organisms which can be either plants or animals in an environment which can cause diseases to plant and animals that eventually leads to their death
6.

MORTALITY:

mortality is the death rate of organisms either plants or animals in an environment. Mortality generally reduces the population of organisms in any habitat
7.

MIGRATION:

this is the movement of organisms from habitat to another. Immigration then is the movement of organisms from a habitat into a new one while emigration is those moving out. These movement generally have effects on the other organisms inhibiting the same habitat
8.

DISPERSAL:

dispersal is the spreading of new organisms or individual from their parents to new habitat so as to start a new life. Such movement also affects the ecosystem or life in their new area
9.

NATALITY:

Natality is the rate of giving birth to new offspring. Natality is generally known the population of the habitat which will eventually lead to some problems within the habitat competing for food or survival
10.

FOOD:

availability of food in an habitat generally lead to increase in population in an habitat
11.

DISEASES:

diseases are known ton decrease the population of organisms in any habitat
12.

PEST:

pest are known to affect the performance of plants in terms of yield and growth and severe cases the plant may die


ABIOTIC FACTOR AFFECTING AN ECOSYSTEM




The abiotic factors affecting an ecosystem includes the following
1.

CLIMATIC FACTORS:

these are temperature, rainfall, humidity, wind, pressure and sunshine
2.

CHEMICAL FACTORS:

these are made up of oxygen, carbon dioxide, mineral salts, water and nitrogen
3.

EDAPHIC FACTORS:

These consist of soil, its water, chemical and physical composition, its pH, nutrients, profile, structure and texture.
4.

TOPOGRAPHY:

these are caused as a result of the shape of the earth’s surface, like the effect of rivers, hills, mountains and valleys

ECOLOGICAL FACTORS COMMON TO ALL HABITATS

There are common factors that affect nearly all the habitat, these are as follows



It is worthy of note, that of all these factors, temperature and rainfall determine the major Biomes of the world.

TEMPERATURE

1. Temperature determine the vegetation of an area
2. Temperature is necessary for the germination of seeds
3. Temperature affects the distribution plants and animals
4. It regulates the activities of major living things
5. Temperature affects evaporation and transpiration, and reduces the performance of plants and animals
6. It affects the wilting field crops
7. Temperature may lead to loss of soil nutrient through volatilization
8. Unfavourable temperature may result in seed dormancy

RAINFALL

1. Rainfall; determines season in some places like Nigeria where we have rainy and dry seasons
2. Rainfall determine the vegetation of a place
3. Rainfall determine the distribution of plants and animals
4. Rainfall provides the dwelling place for some organisms like fish
5. Rainfall is necessary for seed germination
6. Rainfall helps to dissolve nutrient in the soil
7. Rainfall is the main source of water to rivers, lakes and seas
8. Plants use water for photosynthesis

WIND

1. Wind also determine seasons in Nigeria
2. Wind helps in the distribution of rainfall
3. Wind aids in the spread of diseases
4. It aids the pollination of plant flowers
5. Wind aids the dispersal of seeds and fruits
6. High velocity wind causes wind erosion
7. Wind is responsible for water current and waves

LIGHT

1. Sunlight is necessary for photosynthesis to take place in green plants
2. It affects avapo-transpiration
3. Light affect the productivity of crops
4. Light affects flowering and fruiting plants
5. Light is the ultimate source of energy for all organisms
6. Light affect the activities of animals

PRESSURE

1. The atmospheric pressure decreases as one goes up from the sea level
2. In aquatic environment, pressure increases as one moves down the water
3. Plants and animals have a special level of adaptation to pressure to enable them live or survive
4. Too high or too low pressure will always affects the life and performance of plants and animals
5. Pressure is responsible for movement of winds


HYDROGEN ion CONCENTRATION (pH)

1. pH values ranges from 1 to 14, with pH 1 been very acidic, pH 7 neutral while pH 14 is alkaline
2. living organisms are highly sensitive to pH change4s in the environment
3. too high or too low pH will affect the life of both plants and animals
4. plants and animals are adapted to special pH values
5. most plants strive well in neutral or slightly alkaline while acidic soil supports very little vegetation

ECOLOGICAL FACTORS COMMON TO AQUATIC HABITATS




The following are the factors affecting aquatic habitat
1.

temperature, humidity, rainfall, wind ,pressure, pH and light

have all been explained earlier
2.

SALINITY:

salinity is defined as the degree of saltiness or concentration of salt solution in water. Salinity is low in fresh water, high in sea water and moderate ion brackish water
Aquatic organisms need to maintain the osmotic

Don’t forget to use the comment box and leave a message or suggestion and we will get back to you within seconds.


You can read some of our most interesting topics below

Agricultural biology topics

Please share if you find our article good
Important topics related to the above article
1. Recognizing living things
2. Biology as an enquiry in science
3. Branches of biology
4. Processes of methods of science
5. Usefulness of science
6. Living and non-living things
7. Characteristics of living things
8. Differences between plants and animals
9. Organization of life
10. Complexity of organization in higher organisms
11. Kingdom monera
12. Kingdom Protista
13. Kingdom fungi
14. Kingdom Plantae
15. Kingdom Animalia
16. Cell as a living unit of an organism
17. Form in which living cells exist
18. Structures of plants and animal cells and functions of their components
19. Similarity and differences between plant and animal cell
20. Diffusion
21. Osmosis
22. Plasmolysis
23. Haemolysis
24. Turgidity
25. Faccidity
26. Nutrition
27. Feeding
28. Cellular respiration
29. Excretion
30. Growth
31. Cell reaction to its environment
types vertebrae and the vertebral column
32. Movement and responses
33. Reproduction
34. Skeleton
35. Type of skeleton
36. Bones of axial and appendicular skeleton
37. Joint
38. Functions of skeleton in man
39. Supporting tissues in plants
40. Mechanisms of supports in plants
41. Uses of fibres to plants
42. Functions of supporting tissues in plants
43. test for Food substances
44. Balanced diet and kwashiokor
food tests
45. Modes of nutrition
46. Feeding mechanisms in holozoic organisms
maintenance of teeth gum
47. Mammalian teeth
48. Dentition
49. Digestive enzymes
50. Meaning of ecology
causes of germs and diseases in humans
51. Local biotic communities or biomes in Nigeria
52. Major biomes of the world
53. Population studies
54. Ecological factors



https://crops-agriculture.blogspot.com/2016/11/disease-organisms-of-crops.html

HERE YOU WILL FIND EVERY AVAILABLE TOPICS ABOUT AGRICULTURAL SCIENCE AND BIOLOGY. AND THE LINKS TO THEIR VARIOUS SOURCES.
1. DEVELOPMENT OF AGRICULTURE
2. IMPORTANCE OF AGRICULTURE
3. SUBSISTENCE AGRICULTURE
4. COMMERCIAL AGRICULTURE
5. PROBLEM OF AGRICULTURAL DEVELOPMENT
6. SOLUTIONS TO POOR AGRICULTURAL DEVELOPMENT
7. AGRICULTURAL LAWS AND REFORMS
8. ROLES OF GOVERNMENT IN AGRICULTURAL DEVELOPMENT
9. AGRICULTURAL POLICIES
10. PROGRAM PLANNING IN AGRICULTURE
34. FORESTRY
35. WILDLIFE CONSERVATION
36. FACTORS AFFECTING LAND AVAILABILITY
37. TOPOGRAPHY
38. SOIL
39. BIOLOGICAL FACTORS
40. SOCIAL-ECONOMIC FACTORS
41. ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION
42. CLIMATIC FACTORS AFFECTING AGRICULTURAL PRODUCTION
43. TEMPERATURE
44. RAINFALL
45. WIND
46. SUNLIGHT
47. SOLAR



RADIATION
48. BIOTIC FACTOR AND AGRICULTURAL PRODUCTION
49. PESTS
50. BIRDS
51. DISEASES
52. SOIL MICRO-ORGANISMS
53. SOIL PH
54. ROCK FORMATION
55. IGNEOUS ROCK
56. SEDIMENTARY ROCKS
57. METAMORPHIC
58. SOIL AND ITS FORMATION
59. FACTORS OF SOIL FORMATION
60. LIVING ORGANISM
61. PARENT MATERIALS
62. SOIL FORMATION TOPOGRAPHY
63. PROCESS OF SOIL FORMATION
64. WEATHERING
65. PHYSICAL WEATHERING
66. CHEMICAL WEATHERING
67. PRESSURE
68. WATER
73. BIOLOGICAL WEATHERING
74. CHEMICAL AND BIOLOGICAL COMPOSITION OF THE SOIL
75. SOIL WATER
76. MICRO AND MACRO NUTRIENTS
77. SOIL MICRO ORGANISM
78. PROPERTIES OF SOIL
79. SOIL STRUCTURE
80. SANDY SOIL
83. SOIL TEXTURE
84. IDENTIFICATION OF SOIL TYPES THROUGH EXPERIMENTS
85. RETENTION OF WATER BY VARIOUS SOIL TYPES
86. DETERMINATION OF SOIL PH REACTION
87. COLORIMETRIC DETERMINATION OF SOIL PH LEVEL
88. PH SOIL TEST
89. PLANT NUTRIENTS
90.
MACRO NUTRIENTS IN GENERAL
112. THE MAINTENANCE OF SOIL FERTILITY
113. CROP ROTATION
114. APPLICATION OF ORGANIC MANURES
115. FARM YARD MANURE
116. APPLICATION OF INORGANIC MANURE
117. LIMING
118. FARMING PRACTICES
119. BUSH BURNING AND CLEARING
121. FERTILIZER APPLICATION
122. ORGANIC MANURING FARM YARD MANURE
124. HUMUS
125. COMPOST
126. CROP ROTATION
133. FARM POWER AND MACHINERY
134. SOURCES OF FARM POWER
135. HUMAN SOURCE/a>
149.
PLOUGHS
142. FIELD MACHINES
157. PLANTERS
164. SIMPLE FARM TOOLS
165. AGRICULTURAL MECHANIZATION
166. THE CONCEPT OF MECHANIZATION

Please feel free to share while using our comment box below.
Thanks for sharing














oppurtunities

ADVANTAGES AND DISADVANTAGES OF MECHANIZATION

ADVANTAGES OF MECHANIZED AGRICULTURE Farm mechanization has the following advantages 1. TIMELINESS OF OPERATION farm mechanization ensure...

popular post of all time