Tree Species Composition and Forest Stratification along the Gradients in the Dry Deciduous Forests of Godavari Valley, Telangana, India

Abstract It is important to understand the tree species composition, abundance, species diversity and stratification in tropical dry deciduous forests that are under threat. A quadrat study was attempted in the dry deciduous forests along the ecological gradients in the Godavari Valley of northern Telangana, India. The study records the presence of 110 flowering plant taxa belonging to 82 genera and 37 families in 120 sampled plots, and there was enumeration of 15,192 individuals of ≥10 cm girth at breast height. Tectona grandis (teak) is the principal forest cover component in the region, which often formed pure stands in Adilabad and, to some extent, in Nizamabad districts. Further down to the Warangal district, teak was gradually replaced by Terminalia alata. Twenty tree species were found dominant at one place to the other, and the top 10 dominant taxa have shared nearly 41% of the total density of the forest cover. The tree relative density ranged from 0.007% to 20.84%. The values of Importance Value Index were between 0.245 (12 spp. including some exotics) and 32.6 (teak). These baseline data help to know the change detection along the gradients in the tropical forest ecosystem of a major river valley in the region and the drivers of change

Download Full-text

Tree Species Composition and Natural Regeneration Status of Southeast Region of Bangladesh

Journal of Tropical Biodiversity and Biotechnology ◽

10.22146/jtbb.49988 ◽

2020 ◽

Vol 5 (1) ◽

pp. 27

Author(s):

Abir Dey ◽

Aklima Akther

Keyword(s):

Species Composition ◽

Tree Species ◽

Natural Regeneration ◽

Native Species ◽

Basal Area ◽

Conservation Strategies ◽

Stem Density ◽

Importance Value Index ◽

Tree Species Composition ◽

Large Trees

The study aimed to quantify and discuss the current condition of the tree species composition and natural regeneration of southeast parts of Bangladesh (Cox’s Bazar North Forest Division). A total of 121 stems having dbh ≥10cm and 3481 stems of regenerating tree species (dbh <10cm) per hectare were recorded. A large trees comprised of 17 species belonging to 10 families and 14 genera and 30 regenerating tree species belonging to 19 families and 27 genera have been found. The forests were highly non-uniform, with three or four species represented most of the stands. The values of diversity indices indicated limited plant diversity, which is dominated by two or three tree species. Stems of 10-30 cm dbh contributed almost 90% of the total stem density, whereas more than 80% of the total basal area still belonged to trees with dbh 100 cm or above. Dipterocarpus turbinatus was the most dominant species which have the highest Importance Value Index (IVI) with 135.82 and embodied 37.71% of the total stand density and 72.19% of total basal area. The study will provide scientific basis for the future implementation of forest conservation strategies in tropical forests of Southeast Asia, particularly in Bangladesh. This study may also pave the way to further research on regeneration potentials of the native species for conservation and enhancement of forests in future.

Download Full-text

Assessing the Linkages between Tree Species Composition and Stream Water Nitrate in a Reference Watershed in Central Appalachia

Forests ◽

10.3390/f12081116 ◽

2021 ◽

Vol 12 (8) ◽

pp. 1116 ◽

Cited By ~ 1

Author(s):

Mark B. Burnham ◽

Martin J. Christ ◽

Mary Beth Adams ◽

William T. Peterjohn

Keyword(s):

Species Composition ◽

Tree Species ◽

Acer Saccharum ◽

Stream Water ◽

Supply And Demand ◽

Importance Value ◽

Mineral N ◽

Tree Species Composition ◽

Total N

Many factors govern the flow of deposited nitrogen (N) through forest ecosystems and into stream water. At the Fernow Experimental Forest in WV, stream water nitrate (NO3−) export from a long-term reference watershed (WS 4) increased in approximately 1980 and has remained elevated despite more recent reductions in chronic N deposition. Long-term changes in species composition may have altered forest N demand and the retention of deposited N. In particular, the abundance and importance value of Acer saccharum have increased since the 1950s, and this species is thought to have a low affinity for NO3−. We measured the relative uptake of NO3− and ammonium (NH4+) by six important temperate broadleaf tree species and estimated stand uptake of total N, NO3−, and NH4+. We then used records of stream water NO3− and stand composition to evaluate the potential impact of changes in species composition on NO3− export. Surprisingly, the tree species we examined all used both mineral N forms approximately equally. Overall, the total N taken up by the stand into aboveground tissues increased from 1959 through 2001 (30.9 to 35.2 kg N ha−1 yr−1). However, changes in species composition may have altered the net supply of NO3− in the soil since A. saccharum is associated with high nitrification rates. Increases in A. saccharum importance value could result in an increase of 3.9 kg NO3−-N ha−1 yr−1 produced via nitrification. Thus, shifting forest species composition resulted in partially offsetting changes in NO3− supply and demand, with a small net increase of 1.2 kg N ha−1 yr−1 in NO3− available for leaching. Given the persistence of high stream water NO3− export and relatively abrupt (~9 year) change in stream water NO3− concentration circa 1980, patterns of NO3− export appear to be driven by long-term deposition with a lag in the recovery of stream water NO3− after more recent declines in atmospheric N input.

Download Full-text

Langfristige Entwicklung von zwei Waldgesellschaften im Białowieża-Urwald

Schweizerische Zeitschrift fur Forstwesen ◽

10.3188/szf.2008.0080 ◽

2008 ◽

Vol 159 (4) ◽

pp. 80-90 ◽

Cited By ~ 3

Author(s):

Bogdan Brzeziecki ◽

Feliks Eugeniusz Bernadzki

Keyword(s):

Species Composition ◽

Tree Species ◽

Stand Structure ◽

Temporal Dynamics ◽

Structural Parameters ◽

Forest Communities ◽

Natural Forests ◽

Tree Species Composition ◽

Strong Trend ◽

Long Term Study

The results of a long-term study on the natural forest dynamics of two forest communities on one sample plot within the Białowieża National Park in Poland are presented. The two investigated forest communities consist of the Pino-Quercetum and the Tilio-Carpinetum type with the major tree species Pinus sylvestris, Picea abies, Betula sp., Quercus robur, Tilia cordata and Carpinus betulus. The results reveal strong temporal dynamics of both forest communities since 1936 in terms of tree species composition and of general stand structure. The four major tree species Scots pine, birch, English oak and Norway spruce, which were dominant until 1936, have gradually been replaced by lime and hornbeam. At the same time, the analysis of structural parameters indicates a strong trend towards a homogenization of the vertical stand structure. Possible causes for these dynamics may be changes in sylviculture, climate change and atmospheric deposition. Based on the altered tree species composition it can be concluded that a simple ≪copying≫ (mimicking) of the processes taking place in natural forests may not guarantee the conservation of the multifunctional character of the respective forests.

Download Full-text

Effects of nitrogen deposition on nitrate leaching from forests of the northeastern United States will change with tree species composition

Canadian Journal of Forest Research ◽

10.1139/cjfr-2016-0529 ◽

2017 ◽

Vol 47 (8) ◽

pp. 997-1009 ◽

Cited By ~ 5

Author(s):

Katherine F. Crowley ◽

Gary M. Lovett

Keyword(s):

United States ◽

Species Composition ◽

Nitrate Leaching ◽

Tree Species ◽

N Deposition ◽

Red Oak ◽

Northeastern United States ◽

Tree Species Composition ◽

White Ash ◽

Species Change

As tree species composition in forests of the northeastern United States changes due to invasive forest pests, climate change, or other stressors, the extent to which forests will retain or release N from atmospheric deposition remains uncertain. We used a species-specific, dynamic forest ecosystem model (Spe-CN) to investigate how nitrate (NO3–) leaching may vary among stands dominated by different species, receiving varied atmospheric N inputs, or undergoing species change due to an invasive forest pest (emerald ash borer; EAB). In model simulations, NO3– leaching varied widely among stands dominated by 12 northeastern North American tree species. Nitrate leaching increased with N deposition or forest age, generally with greater magnitude for deciduous (except red oak) than coniferous species. Species with lowest baseline leaching rates (e.g., red spruce, eastern hemlock, red oak) showed threshold responses to N deposition. EAB effects on leaching depended on the species replacing white ash: after 100 years, predicted leaching increased 73% if sugar maple replaced ash but decreased 55% if red oak replaced ash. This analysis suggests that the effects of tree species change on NO3– leaching over time may be large and variable and should be incorporated into predictions of effects of N deposition on leaching from forested landscapes.

Download Full-text

Differences of tree species composition and microclimate between a mahogany(swietenia macrophyllaking) plantation and a secondary forest in Mt. Makiling, Philippines

Forest Science and Technology ◽

10.1080/21580103.2006.9656293 ◽

2006 ◽

Vol 2 (1) ◽

pp. 1-12 ◽

Cited By ~ 2

Author(s):

Yong Kwon Lee ◽

Don Koo Lee ◽

Su‐Young Woo ◽

Emmanuel Rodantes G. Abraham ◽

Wilfredo M. Carandang ◽

...

Keyword(s):

Species Composition ◽

Tree Species ◽

Secondary Forest ◽

Tree Species Composition

Download Full-text

Tree species composition and nutrient availability affect soil microbial diversity and composition across forest types in subtropical China

CATENA ◽

10.1016/j.catena.2021.105224 ◽

2021 ◽

Vol 201 ◽

pp. 105224

Author(s):

Xiaxia Ding ◽

Guanglu Liu ◽

Songling Fu ◽

Han Y.H. Chen

Keyword(s):

Species Composition ◽

Microbial Diversity ◽

Nutrient Availability ◽

Tree Species ◽

Forest Types ◽

Subtropical China ◽

Soil Microbial Diversity ◽

Tree Species Composition ◽

Soil Microbial

Download Full-text

Tree species composition in areas of Atlantic Forest in southeastern Brazil is consistent with a new system for classifying the vegetation of South America

Acta Botanica Brasilica ◽

10.1590/s0102-33062014000200009 ◽

2014 ◽

Vol 28 (2) ◽

pp. 227-233 ◽

Cited By ~ 12

Author(s):

Pedro Vasconcellos Eisenlohr ◽

Ary Teixeira de Oliveira-Filho

Keyword(s):

South America ◽

Species Composition ◽

Atlantic Forest ◽

Tree Species ◽

Southeastern Brazil ◽

Tree Species Composition ◽

New System

Download Full-text

TIMBER-FRAME STRUCTURE AND TREE SPECIES COMPOSITION OF A FARMHOUSE IN IIYAMA, IN THE CENTRAL JAPANESE SNOWBELT

AIJ Journal of Technology and Design ◽

10.3130/aijt.16.387 ◽

2010 ◽

Vol 16 (32) ◽

pp. 387-392 ◽

Cited By ~ 2

Author(s):

Takahiro SHOJI ◽

Hideyuki IDA ◽

Toshikazu TSUCHIMOTO ◽

Shigeo HOYANO

Keyword(s):

Species Composition ◽

Tree Species ◽

Frame Structure ◽

Tree Species Composition ◽

Timber Frame

Download Full-text

Honey flora of forest plant community

BIO Web of Conferences ◽

10.1051/bioconf/20213901008 ◽

2021 ◽

Vol 39 ◽

pp. 01008

Author(s):

V.P. Naumkin ◽

N.A. Lopachev ◽

V.T. Lobkov

Keyword(s):

Species Composition ◽

Plant Community ◽

Forest Cover ◽

Flowering Plants ◽

Deciduous Forests ◽

Forest Community ◽

Rational Use ◽

Late Autumn ◽

Flower Nectar ◽

Oak Ash

The honey flora of the forest plant community is an important forage resource for the development of beekeeping. That’s why it is desirable to assess species composition and total number of honey plants and to determine the honey reserve of the area of the forest community plant. The forest cover of the Orel region is 9.3%, and this cover is distributed on its territory very irregularly. 257 species out of the total number of honey plants in the region are found in the forests. Deciduous forests are dominant in the Orel region including oak, ash, linden, birch and aspen. The results of studies of flowering plants in the forest plant community showed that there is a sufficient number of honey plants in the forest to provide bee families with nectar from spring to late autumn due to the natural flower-nectar conveyor. The assessment of the honey stock of this community shows that the stock equals 4,872 tons from 203 thousand hectares of forest. And bees can sip only about 30% (1,626 tons). It proves that significant honey reserves are concentrated in the forest plant community of the Orel region. The rational use of these reserves will help to solve the problem of reproduction of new bee families of the aboriginal Central Russian breed and to organize a long honey gathering by bees that provide people of the region with honey.

Download Full-text