An ecosystem is a community of living organisms such as plants, animals and microbes that interact with their non-living environment. Ecosystems link all living things with their surrounding physical conditions. Together, living things and non-living components form a functional unit.
Forest and its uses, Deforestation, Causes of deforestation, Harmful effects of deforestation, Solutions, Historical Movements in India, Conclusion, References.
PPT lecture about hill cities of west and south India. With photographs sourced from the internet from various photographers. All credit of photographs rest with the photographers. The lecture was used for non-profit teaching only.
Forest and its uses, Deforestation, Causes of deforestation, Harmful effects of deforestation, Solutions, Historical Movements in India, Conclusion, References.
PPT lecture about hill cities of west and south India. With photographs sourced from the internet from various photographers. All credit of photographs rest with the photographers. The lecture was used for non-profit teaching only.
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Deforestation, clearance or clearing is the removal of a forest.
• Examples of deforestation include conversion of forestland to farms, ranches, or urban use.
By,
Ariful Islam (arif)
5th semester Botany department
Goalpara College,Goalpara
CGIAR Research Program on Water Land and Ecosystems (WLE) attempts to help meet development potential in East Africa through research for development strategies in the Nile basin.
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China’s growth momentum is now entrenched in its political economy, but will be destabilized by the resulting water shortages and pollution. Historically, China’s culture and institutions were shaped by the high social returns to large-scale water management, but today its market-driven local governments have little capacity or motivation to address the looming water crisis. Instead, the likely response is the interception of neighbouring countries’ water flows, whose sources are conveniently concentrated in Tibet.
Deforestation introduction causes effects & controlAriful Islam
Deforestation, clearance or clearing is the removal of a forest.
• Examples of deforestation include conversion of forestland to farms, ranches, or urban use.
By,
Ariful Islam (arif)
5th semester Botany department
Goalpara College,Goalpara
CGIAR Research Program on Water Land and Ecosystems (WLE) attempts to help meet development potential in East Africa through research for development strategies in the Nile basin.
The 1st Regional Design Workshop for the Nile Basin will be held in Addis Ababa, Ethiopia from October 17-19, 2013.
CSEC Human Geography- Population , Urbanization and MigrationOral Johnson
This document entails the first half of the human geography syllabus for CSEC ( excluding economic activities. It looks at population, urbanization and Migration
Urban sprawl as a barrier to smart growthChandel Singh
About the understanding the basics of urban sprawl, their characteristic, causes, and their results on the growth of city with a example of Bangalore urban sprawl and few solutions also been given
China’s growth momentum is now entrenched in its political economy, but will be destabilized by the resulting water shortages and pollution. Historically, China’s culture and institutions were shaped by the high social returns to large-scale water management, but today its market-driven local governments have little capacity or motivation to address the looming water crisis. Instead, the likely response is the interception of neighbouring countries’ water flows, whose sources are conveniently concentrated in Tibet.
CONTENTS:
1).INTRODUCTION
2).CLIMATE CHANGE
3).ENERGY EMERGENCY
4).WASTED WATER
5).PLASTIC PLIGHT
6).BIODIVERSITY IN A BIND
In this PPT we talk about various factors which would help us in making this world a better place to live and sustain.
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2. Heatmap utilization for testing
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PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
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The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
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https://alandix.com/academic/papers/synergy2024-epistemic/
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Neha Bajwa, Vice President of Product Marketing, Neo4j
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GraphSummit Singapore | The Art of the Possible with Graph - Q2 2024
Trabajo sociales
1. An ecosystem is a community of living organisms
(plants, animals and microbes) in conjunction with
the nonliving components of their environment.
Where animals and plants have close links with the
non-living environment they all form an ecosystem
2. • Flora: The natural
environment consisting
of plants. is the plant life
occurring in a particular
region or time, generally
the naturally occurring
or indigenous—native
plant life.
• Fauna: The natural
environment consisting
of animals. Fauna is all of
the animal life of any
particular region or time.
3. • Non living environment:
Water
(rain, rivers, underground)
, air (oxygen, carbon
dioxide), sun (prime
source of energy), rocks
(provide nutrients), soil
(fetility)
• Living environment:
Plants, animals, birds, fish
, insects, fungi, bacteria
4. • It is in equatorial climate.
A tropical rainforest is an
ecosystem type that
occurs in the equatorial
zone between the Tropic
of Cancer and Tropic of
Capricorn.
• Characteristics of tropical
rainforests: Constantly
high temperatures and
heavy rainfall, and an allyear-round growing
season
5. • It is the natural
vegetation of places with
a tropical continental
climate, transition
between the tropical
rainforests and the hot
deserts
• Very warm climate which
has a pronounced wet
season, though the
rainfall is often
unreliable, followed by a
very long dry season
6. • Also referred to as taiga, it is the natural
vegetation of places that have a cold climate. In
the northern hemisphere, they stretch in a great
belt from Scandinavia through Siberia and across
the Bering Straits into Alaska and Canada. They
have had to adjust to a harsh climate with
short, cool summers and long, very cold winters
• Precipitation in coniferous forests: is low and falls
mainly in the summer. Snow is common in winter
7. • It is used to describe rainfall that has a higher than normal
acid level. It is caused by power stations and industries
burning fossil fuels which give off sulphur dioxide and
nitrogen oxide. Some chemicals are deposited directly onto
the Earth’s surface as dry deposits. The majority are
converted into acids which fall as acid rain, causing serious
harm to forests, soils, lakes, rivers, and even buildings
• Acid rain can be achieved in a variety of ways: Burn less
fossil fuels by conserving energy, use non-fossil fuels such
as nuclear energy, or power from the wind or sun, remove
sulphur from coal before burning, use new, more efficient
boilers in power stations, remove sulphur from waste
gases, reduce car emissions by using unleaded petrol
8.
9. • It is the felling and clearance of forest land
• The burning of the rainforests, and the release of
carbon dioxide is a major cause of global warming
• A greatly reduced number of trees will mean a
decrease in evapotranspiration. Some scientists believe
this could eventually turn places like the Amazon Basin
into desert
• Nearly one-half of the world’s supply of oxygen comes
from trees in the Amazon Basin. It takes one large tree
to provide enough oxygen for two people for one
day, and 150 large trees to absorb the carbon dioxide
produced by one small car
10.
11. • It is a process by which
soil is removed by the
wind and running
water. It is a problem
when human activity
removes the protective
vegetation cover either
to plough the land or
through deforestation
12. • It is the resultant loss of soil
and vegetation. It occurs
mainly in semi-arid lands
which border the world’s
mayor deserts
• They result from a
combination of climatic
changes (decreased rainfall
and global warming), and
increased human activity
and pressure upon the land
(overgrazing, overcultivatio
n and deforestation)
13. • A population is a
summation of all the
organisms of the
same group
or species, who live
in the
same geographical
area, and have the
capability of
interbreeding
14. • It describes the
number of people
living in a given
area, usually a square
kilometer, and is a
measure of how
crowded a place is
• Population of the UK /
Area of the UK (km2) =
60.272.000/244.880 =
246 per km2
15. • Places crowed are
densely populated
and have a high
population density.
Places sparsely
populated have a low
population density
16. • Birth rate: It is the
average number of
live births in a year
for every 1000
people
• Death rate: It is the
average number of
deaths in a year for
every 1000 people
17. • It shows that the population or
demographic growth rate for all
countries can be divided into four
stages: High stationary, early
expanding, late expanding, low
stationary, and declining
• The more economically developed
countries (MEDCs) have reached
stage 4
• The model has also been applied
to the less economically developed
countries (LECDs) despite the
model assuming that the falling
death rate in stage 2 was a
response to increasing
industrialisation
18. • It is the number of
children out of every
1000 that are born alive
but who die before they
reach the age of one
year.
• Afghanistan, Mali and
Somalia are the countris
with most infant
mortality while Bermuda
Japan and Monaco are
the countries with less
infant mortality
Pinche en la imagen
19. • Places where the number
of people living there
outweigh the availability of
resources are said to be
overpopulated
• An increase in population
(high birth rate or people
moving into this area)
• A decrease in
resources, perhaps
resulting from soil erosion
or the exhaustion of a
mineral, or disasters
(flood, drought)
20. • Due to patriotic reasons, Chinese had as many children as possible:
population growth of over 55 million (about the same size as the UK’s total
population) every three years
• 1979, ‘one child per family’ policy and set the marriageable age for men at
22 and women at 20
• Results of ‘one child’ policy: Abortion, sterilization, deprived of benefits,
pay of large fines, female infanticide
• Effects of ‘one child’ policy: By the late 1990s, the birth rate had fallen
from 31 to 19 in 20 years. The size of the overall population estimated to
be 230 million less than it would have been had the one-child policy not
been introduced
• Problem of the one-child policy: There are insufficient children being born
to maintain the population
• Relaxation of the one-child policy: 1999, then if two married they could
have two children. Allowing women, for the first time, an informed choice
between different kinds of contraception
21.
22. •
•
•
•
•
•
•
•
It is the movement of people from one place to another to live or to work, or both
Types of migration: Permanent, temporary, seasonal and daily
Types of permanent migration:External (or international). Internal (within a
country)
Types of external migration: Voluntary. Forced
Migration balance: It is the difference between the number of emigrants and the
number of immigrants
Migration in Britain: People are descended from either, early
Roman, Viking, Angle, Saxon and Norman invaders, later movements from
Ireland, Eastern Europe, former British colonies such as India, Bangladesh, Pakistan
and the West Indie, so, this is a multicultural society, with ethnic groups, whose
descendents were born in Britain
Internal migration: This is when people move within a country usually in order to
find a better home or job or to live in a more pleasant
Types of internal migration: Regional migration: rural-urban migration, from
smaller rural settlements to large urban areas, counter-urbanization, leaving the
large urban areas to settle in smaller towns and villages
23. •
•
•
•
•
•
•
•
•
Location Factors:
Water
Away from flooded
Able to defend in case of
attack
Near to materials for
building homes
Able to feed themselves
Access to other places
Shelter from bad weather
Supply of fuel for cooking
and heating
24. • Administrative: capital city, county
town
• Residential: People living (not
working)
• Route centre: Road, rail
• Market town
• Mining: Coal, iron
• Educational: Cambridge, Oxford
• Religious
• Defensive
• Tourist resort: Paris
• Port
• Commercial
• Industrial
25. • It is when settlements are put
into order based upon their
size or the services which they
provide for people
• Population size: the larger the
settlement the fewer there will
be of them
• Distance apart: the larger the
settlement the further it will be
from other large settlements
• Range and number of services:
the larger the settlement the
more services it will provide
26.
27. • It is the commercial and
business centre of a town
or city: Central Business
• The CBD is so for two
reasons:
Accessibility, land values
• The CBD have as main
functions:Shopping and
offices, banks, building
societies and other
commercial companies
28. • This outward growth, known as urban
sprawl, led to the construction of numerous
private housing estates in car-based suburbs.
These corresponded with Burgess’s zone of
medium-cost housing
29. • No change is meant
to take place unless
planning permission
has been given
30. •
•
•
•
•
•
The increase in traffic congestion led
to several shops moving to out-oftown locations
Hypermarkets and out-of-town
shopping centre led to a decline in the
number of shoppers visiting the city
centre
The decline in the number of shoppers
has continued with the increase of
internet shopping
People visiting the city centre wanted
a safer environment
Increasing demand for leisure
amenities (entertainment)
Many taller buildings were built in
order to offset the costly rates and
rent resulting from the high land
values
31. • During the nineteenth
century the port of
London was the
busiest in the world.
Surrounding the dock
were:
• Numerous industries
using imported goods
• High-density, poor
quality housing typical
of old inner city areas
32. • The London Docklands
Development Corporation
(LDDC, 1981) was set up to try to
improve the social, economic and
environmental conditions of the
area
• To improve social conditions (new
housing, amenities)
• To improve economic conditions
(new jobs, transport system)
• To improve environmental
conditions (cleaning up the
docks, planting trees, open
spaces)
33. • They are at the rural-urban
fringe, and they have not been
built
• Greenfield sites are under
constant threat for: Housing
development, science and
business
parks, hypermarkets, superstores,
firms, hotels and conference
centres, road They are at the ruralurban fringe, and they have not
been built
• Greenfield sites are under
constant threat for: Housing
development, science and
business
parks, hypermarkets, superstores,
development, recreational areas
such as country parks and new
sports stadiums
34. • It is a person who
lives:
• Either in the suburbs
of a large city
• Or in a village or
small town close to a
larger town or city