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WSN 19 (2015) 50-68 EISSN 2392-2192
Seasonal variation of temple wall floras in Mayiladuthurai, Nagapattinam district of
Tamil Nadu, India
K. Sankar Ganesh1,*, S. Rajasekaran1, M. Rajesh1, M. Nagarajan1,
P. Sundaramoothy2
1Department of Botany, A.V.C. College, Mannampandal, Mayiladuthurai, Tamil Nadu, India
2Department of Botany, Annamalai Nagar, Annamalai University, Tamil Nadu, India
*E-mail address: [email protected]
ABSATRACT
Wall flora is referred as, the flora grown on buildings, temples, house remains or their
surrounding areas. Plant growth on monuments is responsible for the widening of gaps between
adjoining blocks or increasing the dimensions of the cracks already present on the surface. Finally the
architecture of the temple is fully collapse by wall floras. So an investigation has to be taken for the
seasonal variation of wall floras in a famous temple Mayiladuthurai, Nagapattinam district of Tamil
Nadu, India.
Keywords: Wall flora, Monuments, Temples, Eradication, Nagapattinam district
1. INTRODUCTION
Tamil Nadu has a great tradition of history and culture. In ancient, early medieval and
medieval period, a number of dynasties ruled over the Tamil Land. Many of those rulers were
very fond of art and architecture and gave generous patronage to men of letter, sculptors,
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architects and artists. This saw the Tamil land becoming a hub of many beautiful and amazing
monuments and temples which attract tourists from all over the world. As a result of such
great culture achievements, the state of Tamil Nadu is referred to as the cradle of Dravidian
culture, an ancient culture distinguished by unique languages and customs. Many towns and
cities of Tamil Nadu are associated with beautiful monuments and Temples. Mayiladuthurai is
one of those places in Tamil Nadu (Map 1). Mayiladuthurai is of considerable antiquity,
cultural and religious significance. The town must have originated in the Medieval Chola
period. Mayiladuthurai was ruled by the Early Cholas, Medieval Cholas, Later Cholas,
Pandyas, the Vijayanagar Empire, Thanjavur Nayaks and the Thanjavur Marathas. In
Mayiladuthurai and surrounding places many temples are situated. Among these temples Sri
Mayuranathar temple, is of the most important temples in Mayiladuthurai. Many bilgrimis are
visited these temple every day. Now, the beautifulness of the temples has been degraded day
by day, because the floras are growing on the temple walls and towers.
Map 1. Map showing Mayiladuthurai.
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Wall flora is referred as, the flora grown on buildings, temples, house remains or their
surrounding areas (Nedelcheva and Vesileva, 2009; Sankar Ganesh et al., 2009 a). Walls may
be generally categorized into 5 types (i) brick cement wall (ii) stone cement wall (iii) brick
mud wall (iv) stone mud wall and (v) mud wall. In the brick cement wall and stone cement
wall, the cementing material used is cement, while in the brick mud wall and stone mud wall
the cementing material used is mud. The mud wall is purely made of mud. Plants of
herbaceous habits are the chief representatives of wall flora (Singh, 2011). The birds and
animals disperse the seeds through their excreta on the temple walls and old house walls.
When the conditions are favourable, the seeds germinate and become a plant on the same
place. Thus, some plants are commonly grown on walls such as Ficus glamorata, F.religiosa,
F. benghalensis, Cynodon dactylon, Ionidium suffruticosum, Viola oderata, Acalypha indica,
Phyllanthus niruri, Trianthema portulacastrum, Boearhavia diffusa etc., (Sankar Ganesh et
al., 2013).
Plant growth on monuments is responsible for the widening of gaps between adjoining
blocks or increasing the dimensions of the cracks already present on the surface. Plant growth
can increase the load on the surface thus resulting in the dislocation of the surface. Besides
causing such type at physical damage to the monuments, it can also affect chemically with the
surface. There is evidence that marble and limestone in contact with roots develop root marble
due to the etching effect of the slightly acidic sap of the root cells. Rotting roots can also stain
calcareous stones and they produce humic substances (Agrawal et al - 1995). Walls represent
a specific environment for growing plants, which is partly similar to rocks and rock fissures
(Woodell, 1979). The flora of wall habitats has received little attention in the past (Woodell
and Rossiter, 1959; Segal, 1969; Payne, 1978; Karschon and Weinistein, 1985; Lisci and
Paccini, 1993; Kolbek, 1997; Tripathy et al., 1999; Wojcikowska and Galera, 2005; Pavlova
and Tonkov, 2005; Iatrou et al., 2007; Ezer et al., 2008; Maxwell 2009; Altay et al., 2010 and
Rajalakshmi and Shanthi., 2012). Walls are man - made artificial habitats. Generally the walls
having cracks and crevices often favour the growth and development of plant species. The
wall plants are the result of spontaneous colonization unassisted by human actions. Several
studies have been conducted to analyze the floristic composition of the wall habitats in India
and abroad (Singh, 2011a, Nadelcheva, 2011 and Singh and Singh, 2014). In India, especially
Tamil Nadu the study of wall floras is very meager. The study of the wall flora is of special
importance for the maintenance and preservation of archeological monuments. As a result,
data on the vascular flora of important Temples in Mayiladuthurai is completely lacking. So
an investigation was made on the survey of wall flora in Mayuranathar Temple
Mayiladuthurai - an important City in Tamil Nadu.
2. MATERIALS AND METHODS
The Percent study deals with the floras growing on walls of Mayuranathar temple
Mayiladuthurai, Tamil Nadu, India.
Site description
Mayiladuthurai is one of the famous cities in Tamil Nadu. The town is situated on a flat
plain on the banks of the river Cauvery. Mayiladuthurai and surrounding places have many
temples.
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Field observation
An extensive filed study was conducted from September - 2013 to February - 2014. The
walls and towers of the flora included the main boundary wall surrounding the temples, and
towers. The collected plants were preserved and maintained in the form of herbarium for
future studies. All the plants collected in the study were identified with in the collecting place.
The identified plant species were conformed by using standard taxonomic floras proposed by
Mathew (1991) and Gamble (1936).
3. DISCUSSION
No life can be expected on earth without vegetation but the growth of plants on historic
buildings and monuments can cause serious problems. The problems can be quite serious in
tropical countries like India, particularly in Tamil Nadu. Where, the climatic condition is quite
favorable to plant growth.
One of the principal stages in the evolution of civilization has been the construction of
buildings and their decoration with sculptures. Tamil Nadu, becoming a hub of many
beautiful and amazing monuments, and temples, which attracts tourists from all over the
world. These monuments and forts speak volumes about the artistic skills and excellence of
the sculptors and architects of that period. But now a day these archeological monuments and
temples are loss their original structure day by day. Because, the floras grown on the walls
and towers of temples. These floras are classified under herb, shrub, climbers and sometimes
trees. These plants are rooted well in the gap of the walls. After a long time we cannot
consider these plants, they are collapse the original structure of the temples, forts, buildings
etc.
Plants can live in aquatic, terrestrial and organic environments. Their growth in these
environments is influenced by many parameters. There are habitats in which the extreme
conditions lead to the selection of species with morphological and physiological adoptions
enabling them to survive. Walls constitute a specialized microhabitats, since there are built by
man, they are restricted to inhabitant for plants their dampness & aspects are of great
importance of the plants upon them (Lisci and Paccini - 1993). The Mayurnathaswami temple
in mayiladuthurai is built in the Dravidian style of architecture. This Temple was built during
the time of the Medievel Cholas and is 719 feet long and 52 feet wide. The gopuram at the
eastern entrance is 164 feet high.
Walls of buildings and of their constructions made of bricks, stones or concreted
belongs to specific, polyhemerobic habitats, which can be a substitute habitats for rock plants.
They are common but rarely colonized, because of their vertical and even surface,
characterized by unfavorable water and temperature regimes and recurrent concentration of
the walls (Francis, 2011). This insufficient inflow of Diasporas can also be a reason for slow
colonization of walls, especially in centers of large agglomerations. Vascular plants can
normally grow on sites where at least a small amount of humus has accumulated. This kind of
substrate is formed in calcium containing mortar or slits and fissures of the walls, previously
colonized by lichens and mosses (Boratynski et al., 2003).
The plants found on walls and towers of temples in Mayiladuthurai is belonging to the
families of Aizoaceae, Amaranthaceae, Solanaceae, Euphorbiaceae, Capparidaceae,
Malvaceae, Poaceae, Nyctaginaceae, Cucurbitaceae, Moraceae, Rubiaceae, Acanthaceae,
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Caricaceae, Lamiaceae, Commelinaceae, Astraceae, Menispermaceae, Meliaceae,
Megnoliaceae, Convoluvlaceae, Anacardiaceae and Cyperaceae (Table 1 & Plate 1-5).
Among the families the higher genus was recorded mainly to the Amaranthaceae (5 taxa),
Solanaceae (4 taxa), Cucurbitaceae (3 taxa), Acanthaceae (3 taxa) and Moraceae (3). The
largest number of species belongs to the genera is Solanum (3), Ficus (3) Amaranthus (3),
Andrographis (2) and Sida (2).
Table 1. Periodical Survey of wall floras grown on the walls & Towers of Sri Mayuranathar Temple,
Mayiladuthurai.
Sl .N
o.
Family with
Botanical
Name
Commen name Habit Voucher
number
Months
Sep Oct. Nov. Dec. Jan. Feb.
1.
Acanthaceae
Andrographis
echioides
(Nees)
Vettukaya sedi Annual
herb
AVCCWF-
04
2.
Andrographis
paniculata
(Nees)
Siriyanangai Annual
herb
AVCCWF-
38
3.
Ruelia
prostrata.
(Linn)
Veedikaai Annual
herb
AVCCWF-
24
4.
Aizoaceae
Mullugo
cereviana
(Linn)
Thiruakkothu Annual
herb
AVCCWF-
10
5.
Trianthema
portulacastrum
(Linn)
Saranai Annual
herb
AVCCWF-
06
6.
Amaranthaceae
Amaranthus
caudatus. L
Kozhikkondai Annual
herb
AVCCWF-
42
7. Amaranthus
viridis (Linn) Kuppai kirai
Annual
herb
AVCCWF-
02
8. Aerva lanata
(Juss) Sirukanpoolai
Annual
herb
AVCCWF-
22
9. Gomphrena
globosa (Linn) Vadamalli
Annual
herb
AVCCWF-
36
10. Amaranthus
spinosus (Linn) Mullukerai
Annual
herb
AVCCWF-
39
11.
Apocynaceae
Catharanthas
roseus (L) G.
Don
Nithiyakalyani Annual
herb
AVCCWF-
18
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12.
Astraceae
Tagetes erecta
(Linn)
Samanthi Annual
herb
AVCCWF-
41
13.
Tridax
procumbens
(Linn)
Thathapoo sedi Annual
herb
AVCCWF-
23
14.
Bignoniaceae
Tecoma stans.
(Linn)
Punal poo Shrub AVCCWF-
01
15.
Capparidaceae
Cleome viscosa
(Linn)
Naai Kadugu Annual
herb
AVCCWF-
03
16.
Commelianceae
Commelina
benghalensis
(Linn)
Kanangozhai Annual
herb
AVCCWF-
40
17.
Convolulaceae
Convolvulus
arvensis (Linn)
Elikkadhukkeerai Annual
herb
AVCCWF-
34
18.
Cucurbitaceae
Coccinia
india.L
Koovai Annual
herb
AVCCWF-
09
19.
Melothria
maderaspatana
(Cong)
Musumusukkai Annual
herb
AVCCWF-
12
20. Memordica
dioica (Roxb) Midhipagal
Annual
herb
AVCCWF-
35
21. Cyperaceae
Kyllinga
monocephala L
Pookkorai Annual
herb
AVCCWF-
37
22. Cyperus
rotundus (Linn) Paaikoorai
Annual
herb
AVCCWF-
26
23.
Euphorbiaceae
Phyllanthus
amarus (Linn)
Kezhanelli Annual
herb
AVCCWF-
19
24. Achlypha
indica (Linn) Kuppaimeni
Annual
herb
AVCCWF-
05
25.
Lamiaceae
Ocimum canum
(sims)
Naaithulasi Annual
herb
AVCCWF-
20
26. Leucas aspera
(spreng) Thumbai
Annual
herb
AVCCWF-
11
27.
Malvaceae
Sida cardifolia
(Linn)
Arivalmanaipoondu Annual
herb
AVCCWF-
28
28. Sida accuta
(Linn) Mookkuthi poo
Annual
herb
AVCCWF-
32
29.
Moraceae
Ficus religiosa
(Linn)
Arasamaram Tree AVCCWF-
07
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30.
Ficus
glamorata
(Roxb)
Athi Tree AVCCWF-
14
31.
Ficus
benghalensis
(Linn)
Aalamaram Tree AVCCWF-
17
32.
Nyctaginaceae
Boarhaavia
diffusa (Linn)
Mukkarattai Annual
herb
AVCCWF-
29
33.
Poaceae
Chloris barbata
(SW)
Kodaipillu Annual
herb
AVCCWF-
33
34. Panicum
rapens. (Linn) Sunai pillu
Annual
herb
AVCCWF-
13
35. Cynodon
dactylon (Pers) Arugambillu
Annual
herb
AVCCWF-
16
36.
Rubiaceae
Morinda
tinctoria
(Roxb)
Nuna Tree AVCCWF-
08
37.
Solanaceae
Solanum
trilobatum
(Linn)
Thoothuvalai Biennial
climbers
AVCCWF-
30
38. Solanum
toruvum (Linn) Sundakkaai
Perennial
shrub
AVCCWF-
31
39. Physalis
Maxima (Linn) Sodukkuthakkali
Annual
herb
AVCCWF-
21
40. Solanum
nigrum (Linn) Manaththakkali
Annual
herb
AVCCWF-
25
41.
Sterculiaceae
Gauzuma
ulmifolia.L
Peimuni Tree AVCCWF-
15
42.
Violaceae
Hybanthus
enneaspermus.
L
Orridhazhthamarai Annual
herb
AVCCWF-
27
In the month of November to January Lower plants like Fungi (Agaricus bisporus and
Volveriella volvacea) and Brayophyte (Funaria) were grown frequently on the gaps of walls.
It may be due to the moisture content is high and temperature is low in the surrounding
atmosphere. It is one of the main reasons for these plants frequently grown on the walls. This
lower plants are cannot grown in the months of September, October and February also It may
be due to Temperature is high and the moisture content is low in the surrounding atmosphere.
The total number of vascular plants growing spontaneously on walls included 33 genera with
20 families. Among the 33 Genera, 42 species were recorded. Out of the 42 species, 36
species were Dicotyledons and remaining 6 species were Monocotyledons.
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Plate : 1 Plants grown on the walls and towers
Well grown Amaranthes caudatus
Well grown Cleome viscosa
Well grown Cleome viscosa and Amaranthes viridis
Well grown Cleome viscosa and Mullugo cereviana
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Plate : 2 Plants grown on the walls and towers
Well grown Boerhaavia diffusa
Mukkia madaraspatna Phyllanthus amarus
Ficus religiosa
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Plate : 3 Plants grown on the walls and towers
Mosses and Cassia occidentalis
Tridax procumbens and Chloris barbata
Gousuma tomentosa
Well grown Aerva lanata
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Plate : 4 Plants grown on the walls and towers
Hybanthes ennesiformis Andrographis echioides
Leucus aspera Leucus aspera, Acalypha
indica and Ficus glamorata
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Plate : 5 Plants grown on the walls and towers
Fully dead Andrographis echioides
Fully dead Cleome viscosa
Partially dead Amaranthes viridis
Partially dead Chloris barbata
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All the plants studied in the temple walls also present near by the surrounding areas of
the temple. This group comprises mainly annual, biennial or perennial herbs, small shrubs and
trees. These plants are observed in rock fissures or in close proximity to gardens and houses
where the soil layer is thicker. They are heliophilous or shade - tolerant, warm - loving
species, some of them requiring higher humidity.
Most of taxa recorded in the temple walls and towers of the temple are herbs than in
shrubs, climbers and woody plants. The specific conditions on the walls are also a reason for
the limited number of species that can survive and complete their life- cycle there. Morinda
tinctoria their appearance depends on the permanents supply of Diasporas from the
neighborhood. Seeds of phanerophytes are delivered by birds or by wind. Similarly, the
immediate neighborhood at parental specimens is due to the occurring herbaceous plants
growing, flowering and fruiting in will fissures, produce large amount of anemochorous seeds
(Boratynski et al., 2003 and Aparecida et al., 2006).
Factors affecting the flora of walls include aspect, construction, shading, moisture
content and the type of adjacent habitats, which have an important role in providing species to
colonies the walls. It is difficult to demonstrate how much influence each of these has and in
some cases difficult to actually measure the factors involved (Williams, 1988). The tendency
of vascular plants to be found only towards the top of the walls also appears to be universal.
The phenomenon is largely related to the preference of vascular plants for horizontal rather
than vertical surfaces and is directly related to the greater ability of horizontal surfaces to
retain soil and water. In particular, the top of the wall had an important effect upon the wall
flora by providing such horizontal surfaces and helping to retain water within the rooting
substrate (Darlington, 1981). Plants growing at the extreme base of a wall in temples were
ignored, since these would probably be rooted in the ground and therefore not truly rupestral.
Similary, wall tops with an obvious accumulation of soil were excluded from the survey.
They often have typical forms, dried or injured stems with intensive seed production and
vegetative propagation, able to occupy free areas and to grow in the conditions of scarce and
unequal soil moisture (Nedelcheva and Vasileva, 2009 & Osma et al., 2010).
The number of annual species is bigger at the top of the wall and on the vertical wall
surface and there are fissures have perennials, which are typical for the wall base and the
surrounding area. This is due to the favorable environmental conditions in the basal zone i.e.,
more humidity and nutrients are available there (Darlington, 1981). Moreover, physiological
limits of early plant development exist horizontal growth of radical of young plants prevents
many species from successful establishment and regular occurrence in horizontal fissures
(Segal, 1969 and Wajcikowska, 1988, 1992, 2000 & Singh., 2011a).The more or less flat top
a wall clearly receives more light and rain than the vertical sides and accumulates more debris
that leads to the formation of rudimentary soils. Fruits and seeds dropped or evacuated by
birds are much more likely to arrive on the top of a wall than on its sides. It seemed probable,
therefore, that certain species would tend to be found on the expose tops of wall, while shade
sowing plants and those not primarily dispersed by birds would be more at home on their
sides (Payne, 1989). The latter could be characterized as accidental species. They usually
reach only low covers on walls and indicate a strong limitation to wall environment and
competitive exclusion in a small- scale habitat (Duchoslav, 2002). The results show a high
level of specificity regarding the species diversity at each site. It is impossible to separate a
single group of species that is identical for all sites and especially for the walls. (Brandes,
1995 and Chhetri, 2008).
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Buildings and all types of walls are urban features represent a specific environment
(Narain, 2010). The colonization of plants on walls is favoured by the wall ages, the presence
of lime mortar, exposure to rain, etc., and such aspects occurred vertically. Most true wall
species are only found on vertical. Walls and as the angle of inclination decreases an ever
widening range of common species colonies (Gilbert, 1991). The wall habitat is different from
natural habitat and rocks, depending on many different properties related to wall structures.
Buildings contain binding materials, which structurally and chemically differ from the
original building materials. Usually most of them are cleaned repeatedly; thus, they basically
are temporary habitat. Walls are generally isolated, small, and their microclimate is more
affected by changes of climatic factors such as temperature, precipitation and irradiation than
that of rocks. Wall surfaces resemble each other and have a uniform slope and areas, so wall
flora is influenced by the nearby semi - natural vegetation (Duchoslav, 2002).
Plants growing on walls reach these habitats by wind (anemochorous), animals
(zoochorous), mostly by birds and by stolen fragments (autochorous) (Yarci and Ozcelic.,
2002) and grow there randomly, Deep - rooted plants can be destructive. Although their roots
are weak at the beginning of growth, they become stronger in time and cause widening of
cracks. Most of these plants absorb little water from the substrate, but absorb it from the air.
Although wall plants are often aesthetically appealing, the local municipalities occasionally
clean up the walls to prevent damage by the plants. It would be more preferable if the clean -
up was more selective by allowing for plant type and degree of damage. The ecological
differentiation and the contrasting topography of the habitats are the factors that may explain
the low number of species occurring both on the wall tops and the vertical surfaces
(Duchoslav., 2002.) According to Segal (1969), Woodell (1979) and Krigas et al (1999)
among plants found only on walls are inhabitants or rocky or stony places, their most similar
natural habitats. These plants are well adapted to soils with insufficient humus and mineral
substances, but rich in nitrates. Such aggressive plants reproduce quite successfully by viable
seeds and vegetative, thus being capable of invading open areas within a short time (Singh,
2010).
Among the study the tree species such as Morinda tinctoria, Ficus religiosa, F.
glamorata, and F. benghalensis were recorded. Trees negatively affect the structure of the
wall and are the main problem for the preservation of the wall. These species can be found in
the environmental landscape vegetation and they are moved by their Diasporas. This type of
species has characteristic elements of the flora of urban spaces, especially on sidewalls, walls
of buildings, etc., i.e. places directly affected by human activities, with the existence of a
minimal quantity of soil, lacking in humus and mineral substances, and rich in space around
the mineral pool this effect has been achieved as a result of trampling of the reaction of the
soil as a result of the mineral water.
The space around the pool is not regularly cleaned and is a constant source of
Diasporas. Nature has provided needs with a number of devices that help them to be
disseminated widely. The agencies that facilitate the dispersal of weed seeds far and wide are
water, wind and animals, including man. The have the remarkable capacity to germinate
under varied conditions, but vary characteristically. They are season bound and the peak
period of germination always takes place in certain seasons in regular succession year after
year. To avoid such a situation a wise step is to follow the principal prevention is better than
cure (Kaya and Curran, 2006).
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Generally there are two methods for the eradication of plants from monuments and
Temples. They are:
1. Physical method &
2. Chemical method.
1) Physical Method
In this method, the plants are controlled by uprooting them at their initial stages of
developments. The fully grown plants can be controlled by cutting them with suitable sharp
cutting instruments like Khukri, Sickle, knife etc. This method is not a permanent solution for
the control of plant growth in the monuments and historic buildings because plants like Peepal
tree, banyan tree, Morinda may regenerate with more vigour when they are cut. However it
may be a very effective method for the prevention of plant growth when applied during initial
stages of development of plants in the historic building and monuments (Sivagamasundari,
2011).
2) Chemical Method
In this method certain chemicals are applied which are able to kill the plants in a few
weeks of time. These chemicals usually called as herbicides effects the killings of plants in
two ways. In one case, these herbicides block the photosynthetic activities of the plants and
thus the plants are gradually killed in a couple of months. In another case, certain chemicals
used as herbicides destroy the cells and tissues of the plants thus resulting of the gradual
killing of the plants. Herbicides like Glyphosate (Glycin 41%), Paraquat, 2,4-D (Disodium
salt), Atrazine (Wettable powder) etc., when sprayed over the leaves of plants can kill the
plants by blocking the photosynthetic activities. 1% solution of sodium arsenate or arsenite in
water can destroy the cells and tissues of plant when injected in the stem of plants
(Deivarasan, 2013).After the plants are dead, it should be carefully removed by dismantling
certain portions of the monuments. After removal of plants the cracks and gaps should also be
repaired along with the repair of the dismantled portions so as to prohibit further growth of
plants. (Agrawal et al, 1995).
4. CONCLUSION
The study of wall flora provides a better understanding of the urban environment. At the
same time the investigation of those artificial habitats are of special importance in the
maintenance and preservation of archeological monuments. So, the present study shows the
dynamics of species diversity on the walls and towers of Sri Mayuranathar temple
Mayiladuthurai, Nagapattinam district of Tamil Nadu. Prevention is better than cure. Regular
care and maintenance can reduce the chances of plant growth on monuments. To prevent the
growth of plants on monuments and temples, the following preventive measures can be taken.
Regular cleaning of the monuments will ensure the removal of dead organic matter which is a
good source of nutrients for the growth of plants. Higher plants generally grow in the cracks
and cavities present on the temples. Therefore repair of such cracks and cavities at the earliest
will prevent higher plant growth.
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( Received 27 July 2015; accepted 12 August 2015 )