Commentary - Journal of Pharmaceutical Toxicology (2022) Volume 5, Issue 3

Spatial Distribution Changes, Driving Force Analysis and Simulation Prediction

Hanlong King Gu*

College of Land and Environment, Shenyang Agriculture University, Shenyang 110169, China

*Corresponding Author:
Hanlong King Gu College of Land and Environment, Shenyang Agriculture University, Shenyang 110169, China E-mail: College of Land and Environment, Shenyang Agriculture University, Shenyang 110169, China

Received: 02-Jun-2022, Manuscript No. jpt-22-29853; Editor assigned: 06-Jun-2022, PreQC No. jpt-22-29853 (PQ); Reviewed: 20-Jun-2022, QC No. jpt-22-29853; Revised: 23-Jun-2022, Manuscript No. jpt-22-29853(R); Published: 30-Jun-2022, DOI: 10.37532/jpt.2022.5(3).59-61


As China’s main grain-producing region, the ecological security pattern of Liaoning Province has a particularly vital impact on the ecological security of Northeast China and even the whole country. moreover, the development of the ecological security pattern is restricted by the ecological vulnerability assessment so as to explore the ecological vulnerability pattern of abstraction distribution and therefore the trend of future vulnerability development in Liaoning Province and guide however to formulate ecological protection policies scientifically. Supported the sensitivity–resilience–pressure (SRP) abstract model that is combined with natural and socio-economic factors, the ecological vulnerability analysis index system of Liaoning Province is established during this paper.


Ecological vulnerability• Spatiotemporal changes• Influence indicators• Ecological vulnerability prediction


On twenty seven Gregorian calendar month, the Intergovernmental Panel on global climate change (IPCC) free the sixth assessment report “Climate amendment Impacts, Adaptation and Vulnerability” which mentioned that close to three.3 to 3.6 billion folks round the world sleep in Associate in Nursing system that is extraordinarily prone to global climate change and therefore the vulnerability of ecosystems are going to be powerfully suffering from human development. A healthy ecological atmosphere isn’t solely a crucial condition for the property development of the economy and society, however additionally a necessary foundation for the survival and progress of a nation. However, China has the foremost vulnerable system within the world, within which the vulnerable ecological expanse accounts for sixty fifth of the full land area [1]. Supported this scenario within which the vulnerable ecological space is giant, China has imply the event goal of fast the reform of the ecological civilization system and building a “beautiful China”. “Ecosystem” may be a general term that covers all organisms and their inanimate atmosphere in a very specific house to delineate a posh open system.

Literature Review

The idea of vulnerability initial appeared within the study of natural disasters within the 1960s and commenced to be applied within the fields of ecology, Geographic and property in the Seventies. Because the degradation of the ecological atmosphere has bit by bit attracted people’s concern, Timmerman initial planned that the vulnerability performance reflects the extent to that a system might react negatively at a harmful time. Watts et al. Thought that the aim of reflective on vulnerability is to boost the power to subsume harmful events through numerous measures, strengthen the restorative potential and control, and minimize the harmful consequences caused by adverse events [2]. On account of the discrepancies between the geographical location, analysis purpose and focus of the study space, every scholar incorporates a distinctive analysis system, which suggests that a unified index system doesn’t exist. Relating the analysis ends up in recent years, this study adopts the sensitivity resilience pressure model (SRP) to construct the analysis index system and adopts the abstraction principal element analysis methodology to see the index weight


Province is principally lightweight vulnerable and medium vulnerable. In 2010, 2015 and 2020, the proportion of sunshine vulnerable areas and medium vulnerable areas reached 56.98, 58.5 and 61.04%, severally, with a stable upward trend. The realm proportion of extremely vulnerable areas has faded by zero.41% within the decade 2010–2020, the realm of slightly vulnerable areas has enlarged by one.28% within the decade, and therefore the space of heavily vulnerable areas has modified most importantly, reducing by 9 [3].


Supported the SRP model and therefore the principal element analysis methodology, combined with the collected remote sensing knowledge, this study processes the chosen indicators with a spatial resolution of two hundred m, calculates the ecological vulnerability index, and evaluates the ecological vulnerability of Liaoning Province in 2010, 2015 and 2020. The results show Associate in nursing obvious abstraction distribution pattern. The general distribution trend is that the ecological vulnerability of the northwest region and central geographical area with higher economic development is high. The jap and western Liaoning passageway regions and therefore the southern plain region have a coffee ecological vulnerability, and their abstraction distribution character Using the CA-Markov model, supported remote sensing knowledge and GIS abstraction analysis technology, taking 2015 because the beginning year, this paper forecasts the abstraction distribution of ecological vulnerability in Liaoning Province in 2025, compares and analyzes the ecological vulnerability within the fifteen years from 2010 to 2025, and realizes the simulation analysis of the temporal and abstraction pattern of ecological vulnerability in Liaoning Province over the past fifteen years [4].


The realm of extraordinarily vulnerable areas is comparatively tiny. The northwest showed a lot of vulnerable state than the southeast. In general, the ecological vulnerability deteriorated slightly within the past 10 years and continues to enhance. The abstraction distribution of the ecological vulnerability index has obvious agglomeration characteristics. The prediction results of the CA-Markov model show that the ecological vulnerability of Liaoning Province is developing in several directions underneath the condition that the prevailing policy conditions stay unchanged. The realm is increasing, and therefore the overall distribution pattern is ever-changing.

Methods and material

Mountains,{ten%|one-tenth |tenth |tenth part |common fraction | simple fraction} of aquatorium and Thirty percent of farmlands”. Mountainous and hilly square measure area are chiefly distributed on either side of jap and western Liaoning, where the average altitude is between five hundred and 800 m on top of water level. The central space is that the Liao dynasty stream Plain with a median altitude of two hundred m (Figure 1). Liaoning Province is found on the east coast of the Eurasian continent and may be a temperate monsoon climate. The time of year and hot season coincide within the same season however the precipitation is uneven within the study area—it is higher within the east of Liaoning province than within the west. The annual sunshine hours square measure 2100 to 2600 h. The annual mean temperature is seven to eleven the utmost temperature can reach thirty laptop and therefore the minimum temperature will reach minus thirty laptop.



Conflict of Interest

No conflict of interest


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